Add 28/21 and 7/48
1st number: 1 7/21, 2nd number: 7/48
28/21 + 7/48 is 71/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
28/21 = 28 × 16/21 × 16 = 448/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
7/48 = 7 × 7/48 × 7 = 49/336 - Add the two like fractions:
448/336 + 49/336 = 448 + 49/336 = 497/336 - 497/336 simplified gives 71/48
- So, 28/21 + 7/48 = 71/48
In mixed form: 123/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/21+7/48 28/21+14/48 28/42+7/48 28/21+7/96 84/21+7/48 28/21+21/48 28/63+7/48 28/21+35/48 28/21+49/48