Add 21/54 and 16/63
21/54 + 16/63 is 9/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
21/54 = 21 × 7/54 × 7 = 147/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
16/63 = 16 × 6/63 × 6 = 96/378 - Add the two like fractions:
147/378 + 96/378 = 147 + 96/378 = 243/378 - 243/378 simplified gives 9/14
- So, 21/54 + 16/63 = 9/14
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