Subtract 45/54 from 7/4
1st number: 1 3/4, 2nd number: 45/54
7/4 - 45/54 is 11/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
7/4 = 7 × 27/4 × 27 = 189/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
45/54 = 45 × 2/54 × 2 = 90/108 - Subtract the two like fractions:
189/108 - 90/108 = 189 - 90/108 = 99/108 - After reducing the fraction, the answer is 11/12
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