Subtract 90/54 from 64/45
1st number: 1 19/45, 2nd number: 1 36/54
64/45 - 90/54 is -11/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
64/45 = 64 × 6/45 × 6 = 384/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Subtract the two like fractions:
384/270 - 450/270 = 384 - 450/270 = -66/270 - After reducing the fraction, the answer is -11/45
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Related: 64/90-90/54