Subtract 9/64 from 20/30
20/30 - 9/64 is 101/192.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 64 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 30 × 32 = 960,
20/30 = 20 × 32/30 × 32 = 640/960 - Likewise, for the 2nd fraction, since 64 × 15 = 960,
9/64 = 9 × 15/64 × 15 = 135/960 - Subtract the two like fractions:
640/960 - 135/960 = 640 - 135/960 = 505/960 - After reducing the fraction, the answer is 101/192
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