Add 5/56 and 21/60
5/56 + 21/60 is 123/280.
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,
5/56 = 5 × 15/56 × 15 = 75/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
21/60 = 21 × 14/60 × 14 = 294/840 - Add the two like fractions:
75/840 + 294/840 = 75 + 294/840 = 369/840 - 369/840 simplified gives 123/280
- So, 5/56 + 21/60 = 123/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/56+21/60 5/56+42/60 15/56+21/60 5/56+63/60 25/56+21/60 35/56+21/60