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

Subtract 10/5 from 10/72

1^st number: 10/72, 2^nd number: 2 0/5

10/72 - 10/5 is -67/36.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 5 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 72 × 5 = 360,
10/72 = 10 × 5/72 × 5 = 50/360
Likewise, for the 2nd fraction, since 5 × 72 = 360,
10/5 = 10 × 72/5 × 72 = 720/360
Subtract the two like fractions:
50/360 - 720/360 = 50 - 720/360 = -670/360
After reducing the fraction, the answer is -67/36

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