Add 8/21 and 49/48
1st number: 8/21, 2nd number: 1 1/48
8/21 + 49/48 is 157/112.
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,
8/21 = 8 × 16/21 × 16 = 128/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
49/48 = 49 × 7/48 × 7 = 343/336 - Add the two like fractions:
128/336 + 343/336 = 128 + 343/336 = 471/336 - 471/336 simplified gives 157/112
- So, 8/21 + 49/48 = 157/112
In mixed form: 145/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21+49/48 8/21+98/48 8/42+49/48 8/21+49/96 24/21+49/48 8/63+49/48 40/21+49/48 56/21+49/48