Solutions by everydaycalculation.com

## Subtract 30/63 from 42/75

42/75 - 30/63 is 44/525.

#### Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 75 × 21 = 1575,
42/75 = 42 × 21/75 × 21 = 882/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
30/63 = 30 × 25/63 × 25 = 750/1575
4. Subtract the two like fractions:
882/1575 - 750/1575 = 882 - 750/1575 = 132/1575
5. After reducing the fraction, the answer is 44/525

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