Add 2/24 and 8/21
2/24 + 8/21 is 13/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
2/24 = 2 × 7/24 × 7 = 14/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
8/21 = 8 × 8/21 × 8 = 64/168 - Add the two like fractions:
14/168 + 64/168 = 14 + 64/168 = 78/168 - 78/168 simplified gives 13/28
- So, 2/24 + 8/21 = 13/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/24+8/21 2/24+16/21 2/48+8/21 2/24+8/42 6/24+8/21 2/24+24/21 2/72+8/21 2/24+8/63 10/24+8/21 2/24+40/21 14/24+8/21 2/24+56/21