Subtract 8/21 from 45/14, Solve 3 3/14

Subtract 8/21 from 45/14

1^st number: 3 3/14, 2^nd number: 8/21

45/14 - 8/21 is 17/6.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 14 × 3 = 42,
45/14 = 45 × 3/14 × 3 = 135/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
8/21 = 8 × 2/21 × 2 = 16/42
Subtract the two like fractions:
135/42 - 16/42 = 135 - 16/42 = 119/42
After reducing the fraction, the answer is 17/6
In mixed form: 25/6

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