Add 15/56 and 36/18
1st number: 15/56, 2nd number: 2 0/18
15/56 + 36/18 is 127/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
15/56 = 15 × 9/56 × 9 = 135/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
36/18 = 36 × 28/18 × 28 = 1008/504 - Add the two like fractions:
135/504 + 1008/504 = 135 + 1008/504 = 1143/504 - 1143/504 simplified gives 127/56
- So, 15/56 + 36/18 = 127/56
In mixed form: 215/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+36/18 15/56+72/18 45/56+36/18 15/56+36/54 75/56+36/18 15/56+36/90