Add 21/24 and 49/72
21/24 + 49/72 is 14/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 72 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 72 × 1 = 72,
49/72 = 49 × 1/72 × 1 = 49/72 - Add the two like fractions:
63/72 + 49/72 = 63 + 49/72 = 112/72 - 112/72 simplified gives 14/9
- So, 21/24 + 49/72 = 14/9
In mixed form: 15/9
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