Add 56/21 and 63/60
1st number: 2 14/21, 2nd number: 1 3/60
56/21 + 63/60 is 223/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
56/21 = 56 × 20/21 × 20 = 1120/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
63/60 = 63 × 7/60 × 7 = 441/420 - Add the two like fractions:
1120/420 + 441/420 = 1120 + 441/420 = 1561/420 - 1561/420 simplified gives 223/60
- So, 56/21 + 63/60 = 223/60
In mixed form: 343/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+63/60 56/63+63/60