Add 21/24 and 12/18
21/24 + 12/18 is 37/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
21/24 = 21 × 3/24 × 3 = 63/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
12/18 = 12 × 4/18 × 4 = 48/72 - Add the two like fractions:
63/72 + 48/72 = 63 + 48/72 = 111/72 - 111/72 simplified gives 37/24
- So, 21/24 + 12/18 = 37/24
In mixed form: 113/24
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