Subtract 7/9 from 64/70
64/70 - 7/9 is 43/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 9 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
64/70 = 64 × 9/70 × 9 = 576/630 - Likewise, for the 2nd fraction, since 9 × 70 = 630,
7/9 = 7 × 70/9 × 70 = 490/630 - Subtract the two like fractions:
576/630 - 490/630 = 576 - 490/630 = 86/630 - After reducing the fraction, the answer is 43/315
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