Subtract 7/9 from 18/64
18/64 - 7/9 is -143/288.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 9 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 64 × 9 = 576,
18/64 = 18 × 9/64 × 9 = 162/576 - Likewise, for the 2nd fraction, since 9 × 64 = 576,
7/9 = 7 × 64/9 × 64 = 448/576 - Subtract the two like fractions:
162/576 - 448/576 = 162 - 448/576 = -286/576 - After reducing the fraction, the answer is -143/288
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