Answers

Add 54/7 and 90/60

1^st number: 7 5/7, 2^nd number: 1 30/60

54/7 + 90/60 is 129/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 7 × 60 = 420,
   54/7 = 54 × 60/7 × 60 = 3240/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   90/60 = 90 × 7/60 × 7 = 630/420
4. Add the two like fractions:
   3240/420 + 630/420 = 3240 + 630/420 = 3870/420
5. 3870/420 simplified gives 129/14
6. So, 54/7 + 90/60 = 129/14
   In mixed form: 93/14

MathStep (Works offline)

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

Related: ⁵⁴/₁₄+⁹⁰/₆₀ ⁵⁴/₂₁+⁹⁰/₆₀ ⁵⁴/₃₅+⁹⁰/₆₀ ⁵⁴/₄₉+⁹⁰/₆₀

Add Fractions Calculator