Subtract 45/21 from 84/6, Solve 14 0/6

Subtract 45/21 from 84/6

1^st number: 14 0/6, 2^nd number: 2 3/21

84/6 - 45/21 is 83/7.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
84/6 = 84 × 7/6 × 7 = 588/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
45/21 = 45 × 2/21 × 2 = 90/42
Subtract the two like fractions:
588/42 - 90/42 = 588 - 90/42 = 498/42
After reducing the fraction, the answer is 83/7
In mixed form: 116/7

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