Add 81/15 and 49/36
1st number: 5 6/15, 2nd number: 1 13/36
81/15 + 49/36 is 1217/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
81/15 = 81 × 12/15 × 12 = 972/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
49/36 = 49 × 5/36 × 5 = 245/180 - Add the two like fractions:
972/180 + 245/180 = 972 + 245/180 = 1217/180 - So, 81/15 + 49/36 = 1217/180
In mixed form: 6137/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/15+98/36 81/30+49/36 81/15+49/72 81/45+49/36 81/75+49/36