Subtract 90/64 from 18/4
1st number: 4 2/4, 2nd number: 1 26/64
18/4 - 90/64 is 99/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 64 is 64
Next, find the equivalent fraction of both fractional numbers with denominator 64 - For the 1st fraction, since 4 × 16 = 64,
18/4 = 18 × 16/4 × 16 = 288/64 - Likewise, for the 2nd fraction, since 64 × 1 = 64,
90/64 = 90 × 1/64 × 1 = 90/64 - Subtract the two like fractions:
288/64 - 90/64 = 288 - 90/64 = 198/64 - After reducing the fraction, the answer is 99/32
- In mixed form: 33/32
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