Subtract 2/70 from 9/63
9/63 - 2/70 is 4/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
9/63 = 9 × 10/63 × 10 = 90/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
2/70 = 2 × 9/70 × 9 = 18/630 - Subtract the two like fractions:
90/630 - 18/630 = 90 - 18/630 = 72/630 - After reducing the fraction, the answer is 4/35
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