Subtract 90/63 from 28/75
1st number: 28/75, 2nd number: 1 27/63
28/75 - 90/63 is -554/525.
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,
28/75 = 28 × 21/75 × 21 = 588/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
90/63 = 90 × 25/63 × 25 = 2250/1575 - Subtract the two like fractions:
588/1575 - 2250/1575 = 588 - 2250/1575 = -1662/1575 - After reducing the fraction, the answer is -554/525
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