Subtract 27/54 from 30/75
30/75 - 27/54 is -1/10.
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,
30/75 = 30 × 18/75 × 18 = 540/1350 - Likewise, for the 2nd fraction, since 54 × 25 = 1350,
27/54 = 27 × 25/54 × 25 = 675/1350 - Subtract the two like fractions:
540/1350 - 675/1350 = 540 - 675/1350 = -135/1350 - After reducing the fraction, the answer is -1/10
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