Subtract 90/54 from 90/60
1st number: 1 30/60, 2nd number: 1 36/54
90/60 - 90/54 is -1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 54 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 60 × 9 = 540,
90/60 = 90 × 9/60 × 9 = 810/540 - Likewise, for the 2nd fraction, since 54 × 10 = 540,
90/54 = 90 × 10/54 × 10 = 900/540 - Subtract the two like fractions:
810/540 - 900/540 = 810 - 900/540 = -90/540 - After reducing the fraction, the answer is -1/6
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