Subtract 20/35 from 70/63
1st number: 1 7/63, 2nd number: 20/35
70/63 - 20/35 is 34/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
70/63 = 70 × 5/63 × 5 = 350/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
20/35 = 20 × 9/35 × 9 = 180/315 - Subtract the two like fractions:
350/315 - 180/315 = 350 - 180/315 = 170/315 - After reducing the fraction, the answer is 34/63
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