Add 15/10 and 63/8
1st number: 1 5/10, 2nd number: 7 7/8
15/10 + 63/8 is 75/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 10 × 4 = 40,
15/10 = 15 × 4/10 × 4 = 60/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
63/8 = 63 × 5/8 × 5 = 315/40 - Add the two like fractions:
60/40 + 315/40 = 60 + 315/40 = 375/40 - 375/40 simplified gives 75/8
- So, 15/10 + 63/8 = 75/8
In mixed form: 93/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/10+63/8 15/20+63/8 15/10+63/16 45/10+63/8 15/30+63/8 15/10+63/24 75/10+63/8 15/50+63/8 15/10+63/40 15/70+63/8 15/10+63/56