Subtract 72/54 from 18/75
1st number: 18/75, 2nd number: 1 18/54
18/75 - 72/54 is -82/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 54 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 75 × 18 = 1350,
18/75 = 18 × 18/75 × 18 = 324/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
72/54 = 72 × 25/54 × 25 = 1800/1350 - Subtract the two like fractions:
324/1350 - 1800/1350 = 324 - 1800/1350 = -1476/1350 - After reducing the fraction, the answer is -82/75
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