Add 18/21 and 14/24
18/21 + 14/24 is 121/84.
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,
18/21 = 18 × 8/21 × 8 = 144/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
14/24 = 14 × 7/24 × 7 = 98/168 - Add the two like fractions:
144/168 + 98/168 = 144 + 98/168 = 242/168 - 242/168 simplified gives 121/84
- So, 18/21 + 14/24 = 121/84
In mixed form: 137/84
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