Subtract 54/63 from 27/45
27/45 - 54/63 is -9/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
27/45 = 27 × 7/45 × 7 = 189/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
54/63 = 54 × 5/63 × 5 = 270/315 - Subtract the two like fractions:
189/315 - 270/315 = 189 - 270/315 = -81/315 - After reducing the fraction, the answer is -9/35
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