Subtract 4/64 from 20/18
1st number: 1 2/18, 2nd number: 4/64
20/18 - 4/64 is 151/144.
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,
4/64 = 4 × 9/64 × 9 = 36/576 - Subtract the two like fractions:
640/576 - 36/576 = 640 - 36/576 = 604/576 - After reducing the fraction, the answer is 151/144
- In mixed form: 17/144
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