Add 25/36 and 15/28
25/36 + 15/28 is 155/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
25/36 = 25 × 7/36 × 7 = 175/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
15/28 = 15 × 9/28 × 9 = 135/252 - Add the two like fractions:
175/252 + 135/252 = 175 + 135/252 = 310/252 - 310/252 simplified gives 155/126
- So, 25/36 + 15/28 = 155/126
In mixed form: 129/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/36+15/28 25/36+30/28 25/72+15/28 25/36+15/56 75/36+15/28 25/36+45/28 25/36+15/84 25/36+75/28