Answers

Add 84/56 and 16/20

1^st number: 1 28/56, 2^nd number: 16/20

84/56 + 16/20 is 23/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 20 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   84/56 = 84 × 5/56 × 5 = 420/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   16/20 = 16 × 14/20 × 14 = 224/280
4. Add the two like fractions:
   420/280 + 224/280 = 420 + 224/280 = 644/280
5. 644/280 simplified gives 23/10
6. So, 84/56 + 16/20 = 23/10
   In mixed form: 23/10

MathStep (Works offline)

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

Related: ⁸⁴/₅₆+³²/₂₀ ⁸⁴/₅₆+¹⁶/₄₀ ⁸⁴/₅₆+⁴⁸/₂₀ ⁸⁴/₅₆+¹⁶/₆₀ ⁸⁴/₅₆+⁸⁰/₂₀

Add Fractions Calculator