Add 1/56 and 21/80
1/56 + 21/80 is 157/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
1/56 = 1 × 10/56 × 10 = 10/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
21/80 = 21 × 7/80 × 7 = 147/560 - Add the two like fractions:
10/560 + 147/560 = 10 + 147/560 = 157/560 - So, 1/56 + 21/80 = 157/560
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/56+21/80 1/56+42/80 3/56+21/80 1/56+63/80 5/56+21/80 7/56+21/80