Answers

Add 3/56 and 5/70

3/56 + 5/70 is 1/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   3/56 = 3 × 5/56 × 5 = 15/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   5/70 = 5 × 4/70 × 4 = 20/280
4. Add the two like fractions:
   15/280 + 20/280 = 15 + 20/280 = 35/280
5. 35/280 simplified gives 1/8
6. So, 3/56 + 5/70 = 1/8

MathStep (Works offline)

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

Related: ⁶/₅₆+⁵/₇₀ ³/₅₆+¹⁰/₇₀ ⁹/₅₆+⁵/₇₀ ³/₅₆+¹⁵/₇₀ ¹⁵/₅₆+⁵/₇₀ ³/₅₆+²⁵/₇₀ ²¹/₅₆+⁵/₇₀ ³/₅₆+³⁵/₇₀

Add Fractions Calculator