Subtract 10/84 from 30/60, Solve 30/60

Subtract 10/84 from 30/60

30/60 - 10/84 is 8/21.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
30/60 = 30 × 7/60 × 7 = 210/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
10/84 = 10 × 5/84 × 5 = 50/420
Subtract the two like fractions:
210/420 - 50/420 = 210 - 50/420 = 160/420
After reducing the fraction, the answer is 8/21

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