Subtract 14/84 from 90/5, Solve 18 0/5

Subtract 14/84 from 90/5

1^st number: 18 0/5, 2^nd number: 14/84

90/5 - 14/84 is 107/6.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 5 × 84 = 420,
90/5 = 90 × 84/5 × 84 = 7560/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
14/84 = 14 × 5/84 × 5 = 70/420
Subtract the two like fractions:
7560/420 - 70/420 = 7560 - 70/420 = 7490/420
After reducing the fraction, the answer is 107/6
In mixed form: 175/6

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