Subtract 3/14 from 21/9, Solve 2 3/9

Subtract 3/14 from 21/9

1^st number: 2 3/9, 2^nd number: 3/14

21/9 - 3/14 is 89/42.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 9 × 14 = 126,
21/9 = 21 × 14/9 × 14 = 294/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
3/14 = 3 × 9/14 × 9 = 27/126
Subtract the two like fractions:
294/126 - 27/126 = 294 - 27/126 = 267/126
After reducing the fraction, the answer is 89/42
In mixed form: 25/42

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