Add 42/48 and 81/7
1st number: 42/48, 2nd number: 11 4/7
42/48 + 81/7 is 697/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 7 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
42/48 = 42 × 7/48 × 7 = 294/336 - Likewise, for the 2nd fraction, since 7 × 48 = 336,
81/7 = 81 × 48/7 × 48 = 3888/336 - Add the two like fractions:
294/336 + 3888/336 = 294 + 3888/336 = 4182/336 - 4182/336 simplified gives 697/56
- So, 42/48 + 81/7 = 697/56
In mixed form: 1225/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48+81/7 42/96+81/7 42/48+81/14 42/48+81/21 42/48+81/35 42/48+81/49