Subtract 45/6 from 90/54
1st number: 1 36/54, 2nd number: 7 3/6
90/54 - 45/6 is -35/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 6 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 54 × 1 = 54,
90/54 = 90 × 1/54 × 1 = 90/54 - Likewise, for the 2nd fraction, since 6 × 9 = 54,
45/6 = 45 × 9/6 × 9 = 405/54 - Subtract the two like fractions:
90/54 - 405/54 = 90 - 405/54 = -315/54 - After reducing the fraction, the answer is -35/6
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