Add 25/35 and 21/36
25/35 + 21/36 is 109/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 36 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 35 × 36 = 1260,
25/35 = 25 × 36/35 × 36 = 900/1260 - Likewise, for the 2nd fraction, since 36 × 35 = 1260,
21/36 = 21 × 35/36 × 35 = 735/1260 - Add the two like fractions:
900/1260 + 735/1260 = 900 + 735/1260 = 1635/1260 - 1635/1260 simplified gives 109/84
- So, 25/35 + 21/36 = 109/84
In mixed form: 125/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/35+21/36 25/35+42/36 25/70+21/36 25/35+21/72 75/35+21/36 25/35+63/36