Add 5/21 and 56/60
5/21 + 56/60 is 41/35.
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,
5/21 = 5 × 20/21 × 20 = 100/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
56/60 = 56 × 7/60 × 7 = 392/420 - Add the two like fractions:
100/420 + 392/420 = 100 + 392/420 = 492/420 - 492/420 simplified gives 41/35
- So, 5/21 + 56/60 = 41/35
In mixed form: 16/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21+56/60 5/42+56/60 15/21+56/60 5/63+56/60 25/21+56/60 35/21+56/60