Subtract 10/14 from 20/60, Solve 20/60

Subtract 10/14 from 20/60

20/60 - 10/14 is -8/21.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 14 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420
Likewise, for the 2nd fraction, since 14 × 30 = 420,
10/14 = 10 × 30/14 × 30 = 300/420
Subtract the two like fractions:
140/420 - 300/420 = 140 - 300/420 = -160/420
After reducing the fraction, the answer is -8/21

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