Add 15/18 and 21/48
15/18 + 21/48 is 61/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
15/18 = 15 × 8/18 × 8 = 120/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
21/48 = 21 × 3/48 × 3 = 63/144 - Add the two like fractions:
120/144 + 63/144 = 120 + 63/144 = 183/144 - 183/144 simplified gives 61/48
- So, 15/18 + 21/48 = 61/48
In mixed form: 113/48
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