Answers

Add 48/28 and 35/21

1^st number: 1 20/28, 2^nd number: 1 14/21

48/28 + 35/21 is 71/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   48/28 = 48 × 3/28 × 3 = 144/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   35/21 = 35 × 4/21 × 4 = 140/84
4. Add the two like fractions:
   144/84 + 140/84 = 144 + 140/84 = 284/84
5. 284/84 simplified gives 71/21
6. So, 48/28 + 35/21 = 71/21
   In mixed form: 38/21

MathStep (Works offline)

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

Related: ⁹⁶/₂₈+³⁵/₂₁ ⁴⁸/₂₈+⁷⁰/₂₁ ⁴⁸/₅₆+³⁵/₂₁ ⁴⁸/₂₈+³⁵/₄₂ ⁴⁸/₈₄+³⁵/₂₁ ⁴⁸/₂₈+³⁵/₆₃

Add Fractions Calculator