Add 63/14 and 21/7
1st number: 4 7/14, 2nd number: 3 0/7
63/14 + 21/7 is 15/2.
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,
63/14 = 63 × 1/14 × 1 = 63/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
21/7 = 21 × 2/7 × 2 = 42/14 - Add the two like fractions:
63/14 + 42/14 = 63 + 42/14 = 105/14 - 105/14 simplified gives 15/2
- So, 63/14 + 21/7 = 15/2
In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/14+42/7 63/28+21/7 63/14+21/14 63/14+63/7 63/42+21/7 63/70+21/7 63/14+21/35 63/98+21/7 63/14+21/49