Subtract 21/64 from 7/18
7/18 - 21/64 is 35/576.
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,
7/18 = 7 × 32/18 × 32 = 224/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
21/64 = 21 × 9/64 × 9 = 189/576 - Subtract the two like fractions:
224/576 - 189/576 = 224 - 189/576 = 35/576
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