Subtract 9/84 from 30/14, Solve 2 2/14

Subtract 9/84 from 30/14

1^st number: 2 2/14, 2^nd number: 9/84

30/14 - 9/84 is 57/28.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 14 × 6 = 84,
30/14 = 30 × 6/14 × 6 = 180/84
Likewise, for the 2nd fraction, since 84 × 1 = 84,
9/84 = 9 × 1/84 × 1 = 9/84
Subtract the two like fractions:
180/84 - 9/84 = 180 - 9/84 = 171/84
After reducing the fraction, the answer is 57/28
In mixed form: 21/28

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