Subtract 30/72 from 1/25, Solve 1/25

Subtract 30/72 from 1/25

1/25 - 30/72 is -113/300.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 25 × 72 = 1800,
1/25 = 1 × 72/25 × 72 = 72/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
30/72 = 30 × 25/72 × 25 = 750/1800
Subtract the two like fractions:
72/1800 - 750/1800 = 72 - 750/1800 = -678/1800
After reducing the fraction, the answer is -113/300

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