Subtract 84/54 from 45/80
1st number: 45/80, 2nd number: 1 30/54
45/80 - 84/54 is -143/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 54 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 80 × 27 = 2160,
45/80 = 45 × 27/80 × 27 = 1215/2160 - Likewise, for the 2nd fraction, since 54 × 40 = 2160,
84/54 = 84 × 40/54 × 40 = 3360/2160 - Subtract the two like fractions:
1215/2160 - 3360/2160 = 1215 - 3360/2160 = -2145/2160 - After reducing the fraction, the answer is -143/144
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Related: 90/80-84/54