Subtract 75/63 from 30/75
1st number: 30/75, 2nd number: 1 12/63
30/75 - 75/63 is -83/105.
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,
30/75 = 30 × 21/75 × 21 = 630/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
75/63 = 75 × 25/63 × 25 = 1875/1575 - Subtract the two like fractions:
630/1575 - 1875/1575 = 630 - 1875/1575 = -1245/1575 - After reducing the fraction, the answer is -83/105
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