Add 21/72 and 36/48
21/72 + 36/48 is 25/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
21/72 = 21 × 2/72 × 2 = 42/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
36/48 = 36 × 3/48 × 3 = 108/144 - Add the two like fractions:
42/144 + 108/144 = 42 + 108/144 = 150/144 - 150/144 simplified gives 25/24
- So, 21/72 + 36/48 = 25/24
In mixed form: 11/24
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