Subtract 4/5 from 45/64
45/64 - 4/5 is -31/320.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 5 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
45/64 = 45 × 5/64 × 5 = 225/320 - Likewise, for the 2nd fraction, since 5 × 64 = 320,
4/5 = 4 × 64/5 × 64 = 256/320 - Subtract the two like fractions:
225/320 - 256/320 = 225 - 256/320 = -31/320
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