Answers

Add 60/7 and 90/70

1^st number: 8 4/7, 2^nd number: 1 20/70

60/7 + 90/70 is 69/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 70 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 7 × 10 = 70,
   60/7 = 60 × 10/7 × 10 = 600/70
3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
   90/70 = 90 × 1/70 × 1 = 90/70
4. Add the two like fractions:
   600/70 + 90/70 = 600 + 90/70 = 690/70
5. 690/70 simplified gives 69/7
6. So, 60/7 + 90/70 = 69/7
   In mixed form: 96/7

MathStep (Works offline)

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

Related: ⁶⁰/₁₄+⁹⁰/₇₀ ⁶⁰/₂₁+⁹⁰/₇₀ ⁶⁰/₃₅+⁹⁰/₇₀ ⁶⁰/₄₉+⁹⁰/₇₀

Add Fractions Calculator