Subtract 14/40 from 1/84, Solve 1/84

Subtract 14/40 from 1/84

1/84 - 14/40 is -71/210.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 84 × 10 = 840,
1/84 = 1 × 10/84 × 10 = 10/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
14/40 = 14 × 21/40 × 21 = 294/840
Subtract the two like fractions:
10/840 - 294/840 = 10 - 294/840 = -284/840
After reducing the fraction, the answer is -71/210

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