Add 4/21 and 10/48
4/21 + 10/48 is 67/168.
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,
4/21 = 4 × 16/21 × 16 = 64/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
10/48 = 10 × 7/48 × 7 = 70/336 - Add the two like fractions:
64/336 + 70/336 = 64 + 70/336 = 134/336 - 134/336 simplified gives 67/168
- So, 4/21 + 10/48 = 67/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21+10/48 4/21+20/48 4/42+10/48 4/21+10/96 12/21+10/48 4/21+30/48 4/63+10/48 20/21+10/48 4/21+50/48 28/21+10/48 4/21+70/48