Add 15/21 and 14/48
15/21 + 14/48 is 169/168.
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,
15/21 = 15 × 16/21 × 16 = 240/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
14/48 = 14 × 7/48 × 7 = 98/336 - Add the two like fractions:
240/336 + 98/336 = 240 + 98/336 = 338/336 - 338/336 simplified gives 169/168
- So, 15/21 + 14/48 = 169/168
In mixed form: 11/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/21+14/48 15/21+28/48 15/42+14/48 15/21+14/96 45/21+14/48 15/21+42/48 15/63+14/48 75/21+14/48 15/21+70/48 15/21+98/48