Add 63/7 and 81/10
1st number: 9 0/7, 2nd number: 8 1/10
63/7 + 81/10 is 171/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
63/7 = 63 × 10/7 × 10 = 630/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
81/10 = 81 × 7/10 × 7 = 567/70 - Add the two like fractions:
630/70 + 567/70 = 630 + 567/70 = 1197/70 - 1197/70 simplified gives 171/10
- So, 63/7 + 81/10 = 171/10
In mixed form: 171/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/14+81/10 63/7+81/20 63/21+81/10 63/7+81/30 63/35+81/10 63/7+81/50 63/49+81/10 63/7+81/70