Subtract 3/40 from 54/63
54/63 - 3/40 is 219/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 40 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 63 × 40 = 2520,
54/63 = 54 × 40/63 × 40 = 2160/2520 - Likewise, for the 2nd fraction, since 40 × 63 = 2520,
3/40 = 3 × 63/40 × 63 = 189/2520 - Subtract the two like fractions:
2160/2520 - 189/2520 = 2160 - 189/2520 = 1971/2520 - After reducing the fraction, the answer is 219/280
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