Subtract 14/21 from 25/9, Solve 2 7/9

Subtract 14/21 from 25/9

1^st number: 2 7/9, 2^nd number: 14/21

25/9 - 14/21 is 19/9.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 9 × 7 = 63,
25/9 = 25 × 7/9 × 7 = 175/63
Likewise, for the 2nd fraction, since 21 × 3 = 63,
14/21 = 14 × 3/21 × 3 = 42/63
Subtract the two like fractions:
175/63 - 42/63 = 175 - 42/63 = 133/63
After reducing the fraction, the answer is 19/9
In mixed form: 21/9

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