Subtract 40/60 from 54/63
54/63 - 40/60 is 4/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
54/63 = 54 × 20/63 × 20 = 1080/1260 - Likewise, for the 2nd fraction, since 60 × 21 = 1260,
40/60 = 40 × 21/60 × 21 = 840/1260 - Subtract the two like fractions:
1080/1260 - 840/1260 = 1080 - 840/1260 = 240/1260 - After reducing the fraction, the answer is 4/21
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