Add 50/56 and 21/60
50/56 + 21/60 is 87/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
50/56 = 50 × 15/56 × 15 = 750/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
21/60 = 21 × 14/60 × 14 = 294/840 - Add the two like fractions:
750/840 + 294/840 = 750 + 294/840 = 1044/840 - 1044/840 simplified gives 87/70
- So, 50/56 + 21/60 = 87/70
In mixed form: 117/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/56+42/60 50/56+63/60