Subtract 15/84 from 3/5, Solve 3/5

Subtract 15/84 from 3/5

3/5 - 15/84 is 59/140.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 5 × 84 = 420,
3/5 = 3 × 84/5 × 84 = 252/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
15/84 = 15 × 5/84 × 5 = 75/420
Subtract the two like fractions:
252/420 - 75/420 = 252 - 75/420 = 177/420
After reducing the fraction, the answer is 59/140

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