Subtract 75/72 from 4/14, Solve 4/14

Subtract 75/72 from 4/14

1^st number: 4/14, 2^nd number: 1 3/72

4/14 - 75/72 is -127/168.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 14 × 36 = 504,
4/14 = 4 × 36/14 × 36 = 144/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
75/72 = 75 × 7/72 × 7 = 525/504
Subtract the two like fractions:
144/504 - 525/504 = 144 - 525/504 = -381/504
After reducing the fraction, the answer is -127/168

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