Subtract 12/27 from 30/75, Solve 30/75

Subtract 12/27 from 30/75

30/75 - 12/27 is -2/45.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 27 is 675

Next, find the equivalent fraction of both fractional numbers with denominator 675
For the 1st fraction, since 75 × 9 = 675,
30/75 = 30 × 9/75 × 9 = 270/675
Likewise, for the 2nd fraction, since 27 × 25 = 675,
12/27 = 12 × 25/27 × 25 = 300/675
Subtract the two like fractions:
270/675 - 300/675 = 270 - 300/675 = -30/675
After reducing the fraction, the answer is -2/45

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