diff --git a/poincare/src/addition.cpp b/poincare/src/addition.cpp
index fa249584c..c63fb06e9 100644
--- a/poincare/src/addition.cpp
+++ b/poincare/src/addition.cpp
@@ -6,6 +6,7 @@ extern "C" {
 }
 #include "layout/horizontal_layout.h"
 #include "layout/string_layout.h"
+#include "layout/parenthesis_layout.h"
 
 Addition::Addition(Expression ** operands,
     int numberOfOperands,
@@ -81,7 +82,7 @@ ExpressionLayout * Addition::createLayout() const {
   children_layouts[0] = m_operands[0]->createLayout();
   for (int i=1; i<m_numberOfOperands; i++) {
     children_layouts[2*i-1] = new StringLayout("+", 1);
-    children_layouts[2*i] = m_operands[i]->createLayout();
+    children_layouts[2*i] = m_operands[i]->type() == Type::Opposite ? new ParenthesisLayout(m_operands[i]->createLayout()) : m_operands[i]->createLayout();
   }
   return new HorizontalLayout(children_layouts, number_of_children);
 }
diff --git a/poincare/src/multiplication.cpp b/poincare/src/multiplication.cpp
index bae3ad2e0..f216e33ea 100644
--- a/poincare/src/multiplication.cpp
+++ b/poincare/src/multiplication.cpp
@@ -6,6 +6,7 @@ extern "C" {
 #include <poincare/multiplication.h>
 #include "layout/string_layout.h"
 #include "layout/horizontal_layout.h"
+#include "layout/parenthesis_layout.h"
 
 Expression::Type Multiplication::type() const {
   return Expression::Type::Multiplication;
@@ -15,7 +16,7 @@ ExpressionLayout * Multiplication::createLayout() const {
   ExpressionLayout** children_layouts = (ExpressionLayout **)malloc(3*sizeof(ExpressionLayout *));
   children_layouts[0] = m_operands[0]->createLayout();
   children_layouts[1] = new StringLayout("*", 1);
-  children_layouts[2] = m_operands[1]->createLayout();
+  children_layouts[2] = m_operands[1]->type() == Type::Opposite ? new ParenthesisLayout(m_operands[1]->createLayout()) : m_operands[1]->createLayout();
   return new HorizontalLayout(children_layouts, 3);
 }
 
diff --git a/poincare/src/opposite.cpp b/poincare/src/opposite.cpp
index 2a090ebc1..99834ef16 100644
--- a/poincare/src/opposite.cpp
+++ b/poincare/src/opposite.cpp
@@ -4,6 +4,7 @@ extern "C" {
 #include <stdlib.h>
 }
 #include "layout/horizontal_layout.h"
+#include "layout/parenthesis_layout.h"
 #include "layout/string_layout.h"
 
 Opposite::Opposite(Expression * operand, bool cloneOperands) {
@@ -52,7 +53,7 @@ ExpressionLayout * Opposite::createLayout() const {
   ExpressionLayout** children_layouts = (ExpressionLayout **)malloc(2*sizeof(ExpressionLayout *));
   char string[2] = {'-', '\0'};
   children_layouts[0] = new StringLayout(string, 1);
-  children_layouts[1] = m_operand->createLayout();
+  children_layouts[1] = m_operand->type() == Type::Opposite ? new ParenthesisLayout(m_operand->createLayout()) : m_operand->createLayout();
   return new HorizontalLayout(children_layouts, 2);
 }
 
diff --git a/poincare/src/subtraction.cpp b/poincare/src/subtraction.cpp
index bbff4f167..7df835b29 100644
--- a/poincare/src/subtraction.cpp
+++ b/poincare/src/subtraction.cpp
@@ -6,6 +6,7 @@ extern "C" {
 #include <poincare/subtraction.h>
 #include "layout/horizontal_layout.h"
 #include "layout/string_layout.h"
+#include "layout/parenthesis_layout.h"
 
 Expression * Subtraction::cloneWithDifferentOperands(Expression** newOperands,
     int numberOfOperands, bool cloneOperands) const {
@@ -27,7 +28,7 @@ ExpressionLayout * Subtraction::createLayout() const {
   children_layouts[0] = m_operands[0]->createLayout();
   char string[2] = {'-', '\0'};
   children_layouts[1] = new StringLayout(string, 1);
-  children_layouts[2] = m_operands[1]->createLayout();
+  children_layouts[2] = m_operands[1]->type() == Type::Opposite ? new ParenthesisLayout(m_operands[1]->createLayout()) : m_operands[1]->createLayout();
   return new HorizontalLayout(children_layouts, 3);
 }