Add 21/72 and 4/24
21/72 + 4/24 is 11/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
4/24 = 4 × 3/24 × 3 = 12/72 - Add the two like fractions:
21/72 + 12/72 = 21 + 12/72 = 33/72 - 33/72 simplified gives 11/24
- So, 21/72 + 4/24 = 11/24
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