Add 42/56 and 15/36
42/56 + 15/36 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 36 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
42/56 = 42 × 9/56 × 9 = 378/504 - Likewise, for the 2nd fraction, since 36 × 14 = 504,
15/36 = 15 × 14/36 × 14 = 210/504 - Add the two like fractions:
378/504 + 210/504 = 378 + 210/504 = 588/504 - 588/504 simplified gives 7/6
- So, 42/56 + 15/36 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+15/36 42/56+30/36 42/56+15/72 42/56+45/36 42/56+75/36