Subtract 90/63 from 10/75
1st number: 10/75, 2nd number: 1 27/63
10/75 - 90/63 is -136/105.
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,
10/75 = 10 × 21/75 × 21 = 210/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
90/63 = 90 × 25/63 × 25 = 2250/1575 - Subtract the two like fractions:
210/1575 - 2250/1575 = 210 - 2250/1575 = -2040/1575 - After reducing the fraction, the answer is -136/105
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