Add 21/48 and 12/18
21/48 + 12/18 is 53/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 18 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 18 × 8 = 144,
12/18 = 12 × 8/18 × 8 = 96/144 - Add the two like fractions:
63/144 + 96/144 = 63 + 96/144 = 159/144 - 159/144 simplified gives 53/48
- So, 21/48 + 12/18 = 53/48
In mixed form: 15/48
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