Add 25/14 and 7/21
1st number: 1 11/14, 2nd number: 7/21
25/14 + 7/21 is 89/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
25/14 = 25 × 3/14 × 3 = 75/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
7/21 = 7 × 2/21 × 2 = 14/42 - Add the two like fractions:
75/42 + 14/42 = 75 + 14/42 = 89/42 - So, 25/14 + 7/21 = 89/42
In mixed form: 25/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/14+7/21 25/14+14/21 25/28+7/21 25/14+7/42 75/14+7/21 25/42+7/21 25/14+7/63 25/14+35/21 25/70+7/21 25/14+49/21 25/98+7/21