Answers

Add 54/90 and 70/7

1^st number: 54/90, 2^nd number: 10 0/7

54/90 + 70/7 is 53/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 7 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   54/90 = 54 × 7/90 × 7 = 378/630
3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
   70/7 = 70 × 90/7 × 90 = 6300/630
4. Add the two like fractions:
   378/630 + 6300/630 = 378 + 6300/630 = 6678/630
5. 6678/630 simplified gives 53/5
6. So, 54/90 + 70/7 = 53/5
   In mixed form: 103/5

MathStep (Works offline)

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

Related: ⁵⁴/₉₀+⁷⁰/₁₄ ⁵⁴/₉₀+⁷⁰/₂₁ ⁵⁴/₉₀+⁷⁰/₃₅ ⁵⁴/₉₀+⁷⁰/₄₉

Add Fractions Calculator