Add 2/15 and 81/56
1st number: 2/15, 2nd number: 1 25/56
2/15 + 81/56 is 1327/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
2/15 = 2 × 56/15 × 56 = 112/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
81/56 = 81 × 15/56 × 15 = 1215/840 - Add the two like fractions:
112/840 + 1215/840 = 112 + 1215/840 = 1327/840 - So, 2/15 + 81/56 = 1327/840
In mixed form: 1487/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15+81/56 2/30+81/56 6/15+81/56 2/45+81/56 10/15+81/56 2/75+81/56 14/15+81/56