Subtract 6/70 from 40/63
40/63 - 6/70 is 173/315.
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,
40/63 = 40 × 10/63 × 10 = 400/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
6/70 = 6 × 9/70 × 9 = 54/630 - Subtract the two like fractions:
400/630 - 54/630 = 400 - 54/630 = 346/630 - After reducing the fraction, the answer is 173/315
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