Add 63/10 and 81/7
1st number: 6 3/10, 2nd number: 11 4/7
63/10 + 81/7 is 1251/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
63/10 = 63 × 7/10 × 7 = 441/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
81/7 = 81 × 10/7 × 10 = 810/70 - Add the two like fractions:
441/70 + 810/70 = 441 + 810/70 = 1251/70 - So, 63/10 + 81/7 = 1251/70
In mixed form: 1761/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/20+81/7 63/10+81/14 63/30+81/7 63/10+81/21 63/50+81/7 63/10+81/35 63/70+81/7 63/10+81/49