Add the parts while keeping their size. For example, 1/4 + 2/4 = 3/4.
Grade 3 Math ยท Fraction Addition and Subtraction
Fraction Addition and Subtraction
With equal denominators, keep the denominator and add or subtract the numerators.
Animation
Fractions with Equal Denominators
Choose your own expression, such as 1/4 + 2/4.
1/4
+
2/4
=
3/4
Step One
Add
Result
Divide a rectangle into 4 equal parts. Take 1 parts, then add 2 parts, making 3/4.
Remember the Method
What if the denominators match?
Subtract the parts and keep the denominator. For example, 3/5 - 1/5 = 2/5.