Subtract 1/64 from 42/90
42/90 - 1/64 is 433/960.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 90 × 32 = 2880,
42/90 = 42 × 32/90 × 32 = 1344/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
1/64 = 1 × 45/64 × 45 = 45/2880 - Subtract the two like fractions:
1344/2880 - 45/2880 = 1344 - 45/2880 = 1299/2880 - After reducing the fraction, the answer is 433/960
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