Add 90/48 and 81/56
1st number: 1 42/48, 2nd number: 1 25/56
90/48 + 81/56 is 93/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 56 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336 - Likewise, for the 2nd fraction, since 56 × 6 = 336,
81/56 = 81 × 6/56 × 6 = 486/336 - Add the two like fractions:
630/336 + 486/336 = 630 + 486/336 = 1116/336 - 1116/336 simplified gives 93/28
- So, 90/48 + 81/56 = 93/28
In mixed form: 39/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/96+81/56