Subtract 27/72 from 3/63
3/63 - 27/72 is -55/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
3/63 = 3 × 8/63 × 8 = 24/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
27/72 = 27 × 7/72 × 7 = 189/504 - Subtract the two like fractions:
24/504 - 189/504 = 24 - 189/504 = -165/504 - After reducing the fraction, the answer is -55/168
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