Subtract 8/63 from 40/75
40/75 - 8/63 is 128/315.
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,
40/75 = 40 × 21/75 × 21 = 840/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
8/63 = 8 × 25/63 × 25 = 200/1575 - Subtract the two like fractions:
840/1575 - 200/1575 = 840 - 200/1575 = 640/1575 - After reducing the fraction, the answer is 128/315
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