Subtract 3/63 from 8/70
8/70 - 3/63 is 1/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
8/70 = 8 × 9/70 × 9 = 72/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
3/63 = 3 × 10/63 × 10 = 30/630 - Subtract the two like fractions:
72/630 - 30/630 = 72 - 30/630 = 42/630 - After reducing the fraction, the answer is 1/15
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