Answers

Add 50/28 and 81/70

1^st number: 1 22/28, 2^nd number: 1 11/70

50/28 + 81/70 is 103/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   50/28 = 50 × 5/28 × 5 = 250/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   81/70 = 81 × 2/70 × 2 = 162/140
4. Add the two like fractions:
   250/140 + 162/140 = 250 + 162/140 = 412/140
5. 412/140 simplified gives 103/35
6. So, 50/28 + 81/70 = 103/35
   In mixed form: 233/35

MathStep (Works offline)

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

Related: ⁵⁰/₅₆+⁸¹/₇₀ ⁵⁰/₈₄+⁸¹/₇₀

Add Fractions Calculator