Add 42/48 and 35/28
1st number: 42/48, 2nd number: 1 7/28
42/48 + 35/28 is 17/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 28 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 28 × 12 = 336,
35/28 = 35 × 12/28 × 12 = 420/336 - Add the two like fractions:
294/336 + 420/336 = 294 + 420/336 = 714/336 - 714/336 simplified gives 17/8
- So, 42/48 + 35/28 = 17/8
In mixed form: 21/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48+35/28 42/48+70/28 42/96+35/28 42/48+35/56 42/48+35/84