Answers

Add 84/8 and 90/56

1^st number: 10 4/8, 2^nd number: 1 34/56

84/8 + 90/56 is 339/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 56 is 56
   
   Next, find the equivalent fraction of both fractional numbers with denominator 56
2. For the 1st fraction, since 8 × 7 = 56,
   84/8 = 84 × 7/8 × 7 = 588/56
3. Likewise, for the 2nd fraction, since 56 × 1 = 56,
   90/56 = 90 × 1/56 × 1 = 90/56
4. Add the two like fractions:
   588/56 + 90/56 = 588 + 90/56 = 678/56
5. 678/56 simplified gives 339/28
6. So, 84/8 + 90/56 = 339/28
   In mixed form: 123/28

MathStep (Works offline)

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

Related: ⁸⁴/₁₆+⁹⁰/₅₆ ⁸⁴/₂₄+⁹⁰/₅₆ ⁸⁴/₄₀+⁹⁰/₅₆ ⁸⁴/₅₆+⁹⁰/₅₆

Add Fractions Calculator