Add 40/48 and 6/7
40/48 + 6/7 is 71/42.
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,
40/48 = 40 × 7/48 × 7 = 280/336 - Likewise, for the 2nd fraction, since 7 × 48 = 336,
6/7 = 6 × 48/7 × 48 = 288/336 - Add the two like fractions:
280/336 + 288/336 = 280 + 288/336 = 568/336 - 568/336 simplified gives 71/42
- So, 40/48 + 6/7 = 71/42
In mixed form: 129/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/48+6/7 40/48+12/7 40/96+6/7 40/48+6/14 40/48+18/7 40/48+6/21 40/48+30/7 40/48+6/35 40/48+42/7 40/48+6/49