Add 21/63 and 15/48
21/63 + 15/48 is 31/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 48 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
21/63 = 21 × 16/63 × 16 = 336/1008 - Likewise, for the 2nd fraction, since 48 × 21 = 1008,
15/48 = 15 × 21/48 × 21 = 315/1008 - Add the two like fractions:
336/1008 + 315/1008 = 336 + 315/1008 = 651/1008 - 651/1008 simplified gives 31/48
- So, 21/63 + 15/48 = 31/48
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