Add 81/14 and 63/7
1st number: 5 11/14, 2nd number: 9 0/7
81/14 + 63/7 is 207/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 14 × 1 = 14,
81/14 = 81 × 1/14 × 1 = 81/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
63/7 = 63 × 2/7 × 2 = 126/14 - Add the two like fractions:
81/14 + 126/14 = 81 + 126/14 = 207/14 - So, 81/14 + 63/7 = 207/14
In mixed form: 1411/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/28+63/7 81/14+63/14 81/42+63/7 81/14+63/21 81/70+63/7 81/14+63/35 81/98+63/7 81/14+63/49