Add 1/2 and 21/72
1/2 + 21/72 is 19/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
1/2 = 1 × 36/2 × 36 = 36/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
36/72 + 21/72 = 36 + 21/72 = 57/72 - 57/72 simplified gives 19/24
- So, 1/2 + 21/72 = 19/24
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