Subtract 81/72 from 14/10, Solve 1 4/10

Subtract 81/72 from 14/10

1^st number: 1 4/10, 2^nd number: 1 9/72

14/10 - 81/72 is 11/40.

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

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 10 × 36 = 360,
14/10 = 14 × 36/10 × 36 = 504/360
Likewise, for the 2nd fraction, since 72 × 5 = 360,
81/72 = 81 × 5/72 × 5 = 405/360
Subtract the two like fractions:
504/360 - 405/360 = 504 - 405/360 = 99/360
After reducing the fraction, the answer is 11/40

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