Add 21/48 and 5/72
21/48 + 5/72 is 73/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
21/48 = 21 × 3/48 × 3 = 63/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
5/72 = 5 × 2/72 × 2 = 10/144 - Add the two like fractions:
63/144 + 10/144 = 63 + 10/144 = 73/144 - So, 21/48 + 5/72 = 73/144
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