Add 21/72 and 7/48
21/72 + 7/48 is 7/16.
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,
7/48 = 7 × 3/48 × 3 = 21/144 - Add the two like fractions:
42/144 + 21/144 = 42 + 21/144 = 63/144 - 63/144 simplified gives 7/16
- So, 21/72 + 7/48 = 7/16
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