Add 20/5 and 63/56
1st number: 4 0/5, 2nd number: 1 7/56
20/5 + 63/56 is 41/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 5 × 56 = 280,
20/5 = 20 × 56/5 × 56 = 1120/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
63/56 = 63 × 5/56 × 5 = 315/280 - Add the two like fractions:
1120/280 + 315/280 = 1120 + 315/280 = 1435/280 - 1435/280 simplified gives 41/8
- So, 20/5 + 63/56 = 41/8
In mixed form: 51/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+63/56 20/10+63/56 60/5+63/56 20/15+63/56 20/25+63/56 20/35+63/56