Add 3/21 and 1/24
3/21 + 1/24 is 31/168.
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,
3/21 = 3 × 8/21 × 8 = 24/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
1/24 = 1 × 7/24 × 7 = 7/168 - Add the two like fractions:
24/168 + 7/168 = 24 + 7/168 = 31/168 - So, 3/21 + 1/24 = 31/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/21+1/24 3/21+2/24 3/42+1/24 3/21+1/48 9/21+1/24 3/21+3/24 3/63+1/24 3/21+1/72 15/21+1/24 3/21+5/24 3/21+7/24