Subtract 6/84 from 15/45, Solve 15/45

Subtract 6/84 from 15/45

15/45 - 6/84 is 11/42.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 45 × 28 = 1260,
15/45 = 15 × 28/45 × 28 = 420/1260
Likewise, for the 2nd fraction, since 84 × 15 = 1260,
6/84 = 6 × 15/84 × 15 = 90/1260
Subtract the two like fractions:
420/1260 - 90/1260 = 420 - 90/1260 = 330/1260
After reducing the fraction, the answer is 11/42

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