Subtract 2/40 from 5/84, Solve 5/84

Subtract 2/40 from 5/84

5/84 - 2/40 is 1/105.

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,
5/84 = 5 × 10/84 × 10 = 50/840
Likewise, for the 2nd fraction, since 40 × 21 = 840,
2/40 = 2 × 21/40 × 21 = 42/840
Subtract the two like fractions:
50/840 - 42/840 = 50 - 42/840 = 8/840
After reducing the fraction, the answer is 1/105

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