Add 25/14 and 21/5
1st number: 1 11/14, 2nd number: 4 1/5
25/14 + 21/5 is 419/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 5 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
25/14 = 25 × 5/14 × 5 = 125/70 - Likewise, for the 2nd fraction, since 5 × 14 = 70,
21/5 = 21 × 14/5 × 14 = 294/70 - Add the two like fractions:
125/70 + 294/70 = 125 + 294/70 = 419/70 - So, 25/14 + 21/5 = 419/70
In mixed form: 569/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/14+21/5 25/14+42/5 25/28+21/5 25/14+21/10 75/14+21/5 25/14+63/5 25/42+21/5 25/14+21/15 25/70+21/5 25/14+21/25 25/98+21/5 25/14+21/35