Answers

Add 90/6 and 54/56

1^st number: 15 0/6, 2^nd number: 54/56

90/6 + 54/56 is 447/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 6 × 28 = 168,
   90/6 = 90 × 28/6 × 28 = 2520/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   54/56 = 54 × 3/56 × 3 = 162/168
4. Add the two like fractions:
   2520/168 + 162/168 = 2520 + 162/168 = 2682/168
5. 2682/168 simplified gives 447/28
6. So, 90/6 + 54/56 = 447/28
   In mixed form: 1527/28

MathStep (Works offline)

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

Related: ⁹⁰/₁₂+⁵⁴/₅₆ ⁹⁰/₁₈+⁵⁴/₅₆ ⁹⁰/₃₀+⁵⁴/₅₆ ⁹⁰/₄₂+⁵⁴/₅₆

Add Fractions Calculator