Add 8/21 and 27/48
8/21 + 27/48 is 317/336.
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,
27/48 = 27 × 7/48 × 7 = 189/336 - Add the two like fractions:
128/336 + 189/336 = 128 + 189/336 = 317/336 - So, 8/21 + 27/48 = 317/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21+27/48 8/21+54/48 8/42+27/48 8/21+27/96 24/21+27/48 8/21+81/48 8/63+27/48 40/21+27/48 56/21+27/48