Subtract 54/63 from 63/75
63/75 - 54/63 is -3/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
63/75 = 63 × 21/75 × 21 = 1323/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
54/63 = 54 × 25/63 × 25 = 1350/1575 - Subtract the two like fractions:
1323/1575 - 1350/1575 = 1323 - 1350/1575 = -27/1575 - After reducing the fraction, the answer is -3/175
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