Subtract 14/10 from 12/72, Solve 12/72

Subtract 14/10 from 12/72

1^st number: 12/72, 2^nd number: 1 4/10

12/72 - 14/10 is -37/30.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 72 × 5 = 360,
12/72 = 12 × 5/72 × 5 = 60/360
Likewise, for the 2nd fraction, since 10 × 36 = 360,
14/10 = 14 × 36/10 × 36 = 504/360
Subtract the two like fractions:
60/360 - 504/360 = 60 - 504/360 = -444/360
After reducing the fraction, the answer is -37/30

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