Subtract 3/63 from 81/75
1st number: 1 6/75, 2nd number: 3/63
81/75 - 3/63 is 542/525.
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,
81/75 = 81 × 21/75 × 21 = 1701/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
3/63 = 3 × 25/63 × 25 = 75/1575 - Subtract the two like fractions:
1701/1575 - 75/1575 = 1701 - 75/1575 = 1626/1575 - After reducing the fraction, the answer is 542/525
- In mixed form: 117/525
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