Subtract 10/45 from 5/72, Solve 5/72

Subtract 10/45 from 5/72

5/72 - 10/45 is -11/72.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 72 × 5 = 360,
5/72 = 5 × 5/72 × 5 = 25/360
Likewise, for the 2nd fraction, since 45 × 8 = 360,
10/45 = 10 × 8/45 × 8 = 80/360
Subtract the two like fractions:
25/360 - 80/360 = 25 - 80/360 = -55/360
After reducing the fraction, the answer is -11/72

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