Answers

Add 56/35 and 54/84

1^st number: 1 21/35, 2^nd number: 54/84

56/35 + 54/84 is 157/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 35 × 12 = 420,
   56/35 = 56 × 12/35 × 12 = 672/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   54/84 = 54 × 5/84 × 5 = 270/420
4. Add the two like fractions:
   672/420 + 270/420 = 672 + 270/420 = 942/420
5. 942/420 simplified gives 157/70
6. So, 56/35 + 54/84 = 157/70
   In mixed form: 217/70

MathStep (Works offline)

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

Related: ⁵⁶/₇₀+⁵⁴/₈₄

Add Fractions Calculator