Subtract 8/84 from 54/63
54/63 - 8/84 is 16/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
54/63 = 54 × 4/63 × 4 = 216/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
8/84 = 8 × 3/84 × 3 = 24/252 - Subtract the two like fractions:
216/252 - 24/252 = 216 - 24/252 = 192/252 - After reducing the fraction, the answer is 16/21
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