Add 7/12 and 21/25
7/12 + 21/25 is 427/300.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
7/12 = 7 × 25/12 × 25 = 175/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
21/25 = 21 × 12/25 × 12 = 252/300 - Add the two like fractions:
175/300 + 252/300 = 175 + 252/300 = 427/300 - So, 7/12 + 21/25 = 427/300
In mixed form: 1127/300
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12+21/25 7/12+42/25 7/24+21/25 7/12+21/50 21/12+21/25 7/12+63/25 7/36+21/25 7/12+21/75 35/12+21/25 7/60+21/25 49/12+21/25 7/84+21/25