Subtract 70/75 from 14/18, Solve 14/18

Subtract 70/75 from 14/18

14/18 - 70/75 is -7/45.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450

Next, find the equivalent fraction of both fractional numbers with denominator 450
For the 1st fraction, since 18 × 25 = 450,
14/18 = 14 × 25/18 × 25 = 350/450
Likewise, for the 2nd fraction, since 75 × 6 = 450,
70/75 = 70 × 6/75 × 6 = 420/450
Subtract the two like fractions:
350/450 - 420/450 = 350 - 420/450 = -70/450
After reducing the fraction, the answer is -7/45

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