Add 14/24 and 18/21
14/24 + 18/21 is 121/84.
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,
14/24 = 14 × 7/24 × 7 = 98/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
18/21 = 18 × 8/21 × 8 = 144/168 - Add the two like fractions:
98/168 + 144/168 = 98 + 144/168 = 242/168 - 242/168 simplified gives 121/84
- So, 14/24 + 18/21 = 121/84
In mixed form: 137/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/24+18/21 14/24+36/21 14/48+18/21 14/24+18/42 42/24+18/21 14/24+54/21 14/72+18/21 14/24+18/63 70/24+18/21 14/24+90/21 98/24+18/21