Subtract 84/64 from 7/9
1st number: 7/9, 2nd number: 1 20/64
7/9 - 84/64 is -77/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 9 × 64 = 576,
7/9 = 7 × 64/9 × 64 = 448/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
84/64 = 84 × 9/64 × 9 = 756/576 - Subtract the two like fractions:
448/576 - 756/576 = 448 - 756/576 = -308/576 - After reducing the fraction, the answer is -77/144
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