Subtract 10/75 from 2/72, Solve 2/72

Subtract 10/75 from 2/72

2/72 - 10/75 is -19/180.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 75 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 72 × 25 = 1800,
2/72 = 2 × 25/72 × 25 = 50/1800
Likewise, for the 2nd fraction, since 75 × 24 = 1800,
10/75 = 10 × 24/75 × 24 = 240/1800
Subtract the two like fractions:
50/1800 - 240/1800 = 50 - 240/1800 = -190/1800
After reducing the fraction, the answer is -19/180

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