Subtract 54/64 from 90/40
1st number: 2 10/40, 2nd number: 54/64
90/40 - 54/64 is 45/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 40 × 8 = 320,
90/40 = 90 × 8/40 × 8 = 720/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
54/64 = 54 × 5/64 × 5 = 270/320 - Subtract the two like fractions:
720/320 - 270/320 = 720 - 270/320 = 450/320 - After reducing the fraction, the answer is 45/32
- In mixed form: 113/32
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