Answers

Add 9/56 and 90/8

1^st number: 9/56, 2^nd number: 11 2/8

9/56 + 90/8 is 639/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 8 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 56 × 1 = 56,
   9/56 = 9 × 1/56 × 1 = 9/56
3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
   90/8 = 90 × 7/8 × 7 = 630/56
4. Add the two like fractions:
   9/56 + 630/56 = 9 + 630/56 = 639/56
5. So, 9/56 + 90/8 = 639/56
   In mixed form: 1123/56

MathStep (Works offline)

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

Related: ¹⁸/₅₆+⁹⁰/₈ ⁹/₅₆+⁹⁰/₁₆ ²⁷/₅₆+⁹⁰/₈ ⁹/₅₆+⁹⁰/₂₄ ⁴⁵/₅₆+⁹⁰/₈ ⁹/₅₆+⁹⁰/₄₀ ⁶³/₅₆+⁹⁰/₈ ⁹/₅₆+⁹⁰/₅₆

Add Fractions Calculator