Subtract 5/14 from 10/40, Solve 10/40

Subtract 5/14 from 10/40

10/40 - 5/14 is -3/28.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280
Likewise, for the 2nd fraction, since 14 × 20 = 280,
5/14 = 5 × 20/14 × 20 = 100/280
Subtract the two like fractions:
70/280 - 100/280 = 70 - 100/280 = -30/280
After reducing the fraction, the answer is -3/28

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