Subtract 84/80 from 72/54
1st number: 1 18/54, 2nd number: 1 4/80
72/54 - 84/80 is 17/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 80 is 2160
Next, find the equivalent fraction of both fractional numbers with denominator 2160 - For the 1st fraction, since 54 × 40 = 2160,
72/54 = 72 × 40/54 × 40 = 2880/2160 - Likewise, for the 2nd fraction, since 80 × 27 = 2160,
84/80 = 84 × 27/80 × 27 = 2268/2160 - Subtract the two like fractions:
2880/2160 - 2268/2160 = 2880 - 2268/2160 = 612/2160 - After reducing the fraction, the answer is 17/60
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