Add 63/56 and 15/10
1st number: 1 7/56, 2nd number: 1 5/10
63/56 + 15/10 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 10 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
63/56 = 63 × 5/56 × 5 = 315/280 - Likewise, for the 2nd fraction, since 10 × 28 = 280,
15/10 = 15 × 28/10 × 28 = 420/280 - Add the two like fractions:
315/280 + 420/280 = 315 + 420/280 = 735/280 - 735/280 simplified gives 21/8
- So, 63/56 + 15/10 = 21/8
In mixed form: 25/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/56+30/10 63/56+15/20 63/56+45/10 63/56+15/30 63/56+75/10 63/56+15/50 63/56+15/70