Add 8/14 and 21/7
1st number: 8/14, 2nd number: 3 0/7
8/14 + 21/7 is 25/7.
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,
8/14 = 8 × 1/14 × 1 = 8/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
21/7 = 21 × 2/7 × 2 = 42/14 - Add the two like fractions:
8/14 + 42/14 = 8 + 42/14 = 50/14 - 50/14 simplified gives 25/7
- So, 8/14 + 21/7 = 25/7
In mixed form: 34/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/14+21/7 8/14+42/7 8/28+21/7 8/14+21/14 24/14+21/7 8/14+63/7 8/42+21/7 40/14+21/7 8/70+21/7 8/14+21/35 56/14+21/7 8/98+21/7 8/14+21/49