Subtract 3/63 from 70/75
70/75 - 3/63 is 31/35.
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,
70/75 = 70 × 21/75 × 21 = 1470/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
3/63 = 3 × 25/63 × 25 = 75/1575 - Subtract the two like fractions:
1470/1575 - 75/1575 = 1470 - 75/1575 = 1395/1575 - After reducing the fraction, the answer is 31/35
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