Subtract 2/20 from 7/75, Solve 7/75

Subtract 2/20 from 7/75

7/75 - 2/20 is -1/150.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 75 × 4 = 300,
7/75 = 7 × 4/75 × 4 = 28/300
Likewise, for the 2nd fraction, since 20 × 15 = 300,
2/20 = 2 × 15/20 × 15 = 30/300
Subtract the two like fractions:
28/300 - 30/300 = 28 - 30/300 = -2/300
After reducing the fraction, the answer is -1/150

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