Add 4/56 and 63/20
1st number: 4/56, 2nd number: 3 3/20
4/56 + 63/20 is 451/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
4/56 = 4 × 5/56 × 5 = 20/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
63/20 = 63 × 14/20 × 14 = 882/280 - Add the two like fractions:
20/280 + 882/280 = 20 + 882/280 = 902/280 - 902/280 simplified gives 451/140
- So, 4/56 + 63/20 = 451/140
In mixed form: 331/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/56+63/20 4/56+63/40 12/56+63/20 4/56+63/60 20/56+63/20 28/56+63/20