Subtract 6/45 from 3/84, Solve 3/84

Subtract 6/45 from 3/84

3/84 - 6/45 is -41/420.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 84 × 15 = 1260,
3/84 = 3 × 15/84 × 15 = 45/1260
Likewise, for the 2nd fraction, since 45 × 28 = 1260,
6/45 = 6 × 28/45 × 28 = 168/1260
Subtract the two like fractions:
45/1260 - 168/1260 = 45 - 168/1260 = -123/1260
After reducing the fraction, the answer is -41/420

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