Answers

Add 50/42 and 28/40

1^st number: 1 8/42, 2^nd number: 28/40

50/42 + 28/40 is 397/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 40 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 42 × 20 = 840,
   50/42 = 50 × 20/42 × 20 = 1000/840
3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
   28/40 = 28 × 21/40 × 21 = 588/840
4. Add the two like fractions:
   1000/840 + 588/840 = 1000 + 588/840 = 1588/840
5. 1588/840 simplified gives 397/210
6. So, 50/42 + 28/40 = 397/210
   In mixed form: 1187/210

MathStep (Works offline)

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

Related: ⁵⁰/₄₂+⁵⁶/₄₀ ⁵⁰/₈₄+²⁸/₄₀ ⁵⁰/₄₂+²⁸/₈₀ ⁵⁰/₄₂+⁸⁴/₄₀

Add Fractions Calculator