Answers

Add 7/42 and 56/70

7/42 + 56/70 is 29/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   7/42 = 7 × 5/42 × 5 = 35/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   56/70 = 56 × 3/70 × 3 = 168/210
4. Add the two like fractions:
   35/210 + 168/210 = 35 + 168/210 = 203/210
5. 203/210 simplified gives 29/30
6. So, 7/42 + 56/70 = 29/30

MathStep (Works offline)

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

Related: ¹⁴/₄₂+⁵⁶/₇₀ ⁷/₈₄+⁵⁶/₇₀ ²¹/₄₂+⁵⁶/₇₀ ³⁵/₄₂+⁵⁶/₇₀ ⁴⁹/₄₂+⁵⁶/₇₀

Add Fractions Calculator