Add 4/16 and 21/63
4/16 + 21/63 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 16 × 63 = 1008,
4/16 = 4 × 63/16 × 63 = 252/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
21/63 = 21 × 16/63 × 16 = 336/1008 - Add the two like fractions:
252/1008 + 336/1008 = 252 + 336/1008 = 588/1008 - 588/1008 simplified gives 7/12
- So, 4/16 + 21/63 = 7/12
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