Answers

Add 54/8 and 56/70

1^st number: 6 6/8, 2^nd number: 56/70

54/8 + 56/70 is 151/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 8 × 35 = 280,
   54/8 = 54 × 35/8 × 35 = 1890/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   56/70 = 56 × 4/70 × 4 = 224/280
4. Add the two like fractions:
   1890/280 + 224/280 = 1890 + 224/280 = 2114/280
5. 2114/280 simplified gives 151/20
6. So, 54/8 + 56/70 = 151/20
   In mixed form: 711/20

MathStep (Works offline)

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

Related: ⁵⁴/₁₆+⁵⁶/₇₀ ⁵⁴/₂₄+⁵⁶/₇₀ ⁵⁴/₄₀+⁵⁶/₇₀ ⁵⁴/₅₆+⁵⁶/₇₀

Add Fractions Calculator