Add 56/20 and 63/56
1st number: 2 16/20, 2nd number: 1 7/56
56/20 + 63/56 is 157/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
56/20 = 56 × 14/20 × 14 = 784/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
63/56 = 63 × 5/56 × 5 = 315/280 - Add the two like fractions:
784/280 + 315/280 = 784 + 315/280 = 1099/280 - 1099/280 simplified gives 157/40
- So, 56/20 + 63/56 = 157/40
In mixed form: 337/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40+63/56 56/60+63/56