Add 90/36 and 72/56
1st number: 2 18/36, 2nd number: 1 16/56
90/36 + 72/56 is 53/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 36 × 14 = 504,
90/36 = 90 × 14/36 × 14 = 1260/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
72/56 = 72 × 9/56 × 9 = 648/504 - Add the two like fractions:
1260/504 + 648/504 = 1260 + 648/504 = 1908/504 - 1908/504 simplified gives 53/14
- So, 90/36 + 72/56 = 53/14
In mixed form: 311/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+72/56