Add 25/27 and 21/14
1st number: 25/27, 2nd number: 1 7/14
25/27 + 21/14 is 131/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 14 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
25/27 = 25 × 14/27 × 14 = 350/378 - Likewise, for the 2nd fraction, since 14 × 27 = 378,
21/14 = 21 × 27/14 × 27 = 567/378 - Add the two like fractions:
350/378 + 567/378 = 350 + 567/378 = 917/378 - 917/378 simplified gives 131/54
- So, 25/27 + 21/14 = 131/54
In mixed form: 223/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/27+21/14 25/27+42/14 25/54+21/14 25/27+21/28 75/27+21/14 25/27+63/14 25/81+21/14 25/27+21/42 25/27+21/70 25/27+21/98