Subtract 8/64 from 20/18
1st number: 1 2/18, 2nd number: 8/64
20/18 - 8/64 is 71/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 18 × 32 = 576,
20/18 = 20 × 32/18 × 32 = 640/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
8/64 = 8 × 9/64 × 9 = 72/576 - Subtract the two like fractions:
640/576 - 72/576 = 640 - 72/576 = 568/576 - After reducing the fraction, the answer is 71/72
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