Add 21/48 and 7/15
21/48 + 7/15 is 217/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
7/15 = 7 × 16/15 × 16 = 112/240 - Add the two like fractions:
105/240 + 112/240 = 105 + 112/240 = 217/240 - So, 21/48 + 7/15 = 217/240
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