Answers

Add 10/90 and 54/20

1^st number: 10/90, 2^nd number: 2 14/20

10/90 + 54/20 is 253/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   10/90 = 10 × 2/90 × 2 = 20/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   54/20 = 54 × 9/20 × 9 = 486/180
4. Add the two like fractions:
   20/180 + 486/180 = 20 + 486/180 = 506/180
5. 506/180 simplified gives 253/90
6. So, 10/90 + 54/20 = 253/90
   In mixed form: 273/90

MathStep (Works offline)

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

Related: ²⁰/₉₀+⁵⁴/₂₀ ¹⁰/₉₀+⁵⁴/₄₀ ³⁰/₉₀+⁵⁴/₂₀ ¹⁰/₉₀+⁵⁴/₆₀ ⁵⁰/₉₀+⁵⁴/₂₀ ⁷⁰/₉₀+⁵⁴/₂₀

Add Fractions Calculator