Subtract 45/27 from 14/84, Solve 14/84

Subtract 45/27 from 14/84

1^st number: 14/84, 2^nd number: 1 18/27

14/84 - 45/27 is -3/2.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 27 is 756

Next, find the equivalent fraction of both fractional numbers with denominator 756
For the 1st fraction, since 84 × 9 = 756,
14/84 = 14 × 9/84 × 9 = 126/756
Likewise, for the 2nd fraction, since 27 × 28 = 756,
45/27 = 45 × 28/27 × 28 = 1260/756
Subtract the two like fractions:
126/756 - 1260/756 = 126 - 1260/756 = -1134/756
After reducing the fraction, the answer is -3/2

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