Subtract 10/84 from 6/40, Solve 6/40

Subtract 10/84 from 6/40

6/40 - 10/84 is 13/420.

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

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 40 × 21 = 840,
6/40 = 6 × 21/40 × 21 = 126/840
Likewise, for the 2nd fraction, since 84 × 10 = 840,
10/84 = 10 × 10/84 × 10 = 100/840
Subtract the two like fractions:
126/840 - 100/840 = 126 - 100/840 = 26/840
After reducing the fraction, the answer is 13/420

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