Answers

Add 25/56 and 40/42

25/56 + 40/42 is 235/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 42 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   25/56 = 25 × 3/56 × 3 = 75/168
3. Likewise, for the 2nd fraction, since 42 × 4 = 168,
   40/42 = 40 × 4/42 × 4 = 160/168
4. Add the two like fractions:
   75/168 + 160/168 = 75 + 160/168 = 235/168
5. So, 25/56 + 40/42 = 235/168
   In mixed form: 167/168

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁰/₅₆+⁴⁰/₄₂ ²⁵/₅₆+⁸⁰/₄₂ ²⁵/₅₆+⁴⁰/₈₄ ⁷⁵/₅₆+⁴⁰/₄₂

Add Fractions Calculator