Subtract 7/63 from 63/70
63/70 - 7/63 is 71/90.
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,
63/70 = 63 × 9/70 × 9 = 567/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
7/63 = 7 × 10/63 × 10 = 70/630 - Subtract the two like fractions:
567/630 - 70/630 = 567 - 70/630 = 497/630 - After reducing the fraction, the answer is 71/90
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