Subtract 16/45 from 7/84, Solve 7/84

Subtract 16/45 from 7/84

7/84 - 16/45 is -49/180.

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,
7/84 = 7 × 15/84 × 15 = 105/1260
Likewise, for the 2nd fraction, since 45 × 28 = 1260,
16/45 = 16 × 28/45 × 28 = 448/1260
Subtract the two like fractions:
105/1260 - 448/1260 = 105 - 448/1260 = -343/1260
After reducing the fraction, the answer is -49/180

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