Subtract 56/45 from 6/84, Solve 6/84

Subtract 56/45 from 6/84

1^st number: 6/84, 2^nd number: 1 11/45

6/84 - 56/45 is -739/630.

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,
6/84 = 6 × 15/84 × 15 = 90/1260
Likewise, for the 2nd fraction, since 45 × 28 = 1260,
56/45 = 56 × 28/45 × 28 = 1568/1260
Subtract the two like fractions:
90/1260 - 1568/1260 = 90 - 1568/1260 = -1478/1260
After reducing the fraction, the answer is -739/630

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