Add 4/21 and 1/24
4/21 + 1/24 is 13/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
4/21 = 4 × 8/21 × 8 = 32/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
1/24 = 1 × 7/24 × 7 = 7/168 - Add the two like fractions:
32/168 + 7/168 = 32 + 7/168 = 39/168 - 39/168 simplified gives 13/56
- So, 4/21 + 1/24 = 13/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21+1/24 4/21+2/24 4/42+1/24 4/21+1/48 12/21+1/24 4/21+3/24 4/63+1/24 4/21+1/72 20/21+1/24 4/21+5/24 28/21+1/24 4/21+7/24