Subtract 21/35 from 70/63
1st number: 1 7/63, 2nd number: 21/35
70/63 - 21/35 is 23/45.
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,
21/35 = 21 × 9/35 × 9 = 189/315 - Subtract the two like fractions:
350/315 - 189/315 = 350 - 189/315 = 161/315 - After reducing the fraction, the answer is 23/45
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