Subtract 21/49 from 14/9, Solve 1 5/9

Subtract 21/49 from 14/9

1^st number: 1 5/9, 2^nd number: 21/49

14/9 - 21/49 is 71/63.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 49 is 441

Next, find the equivalent fraction of both fractional numbers with denominator 441
For the 1st fraction, since 9 × 49 = 441,
14/9 = 14 × 49/9 × 49 = 686/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
21/49 = 21 × 9/49 × 9 = 189/441
Subtract the two like fractions:
686/441 - 189/441 = 686 - 189/441 = 497/441
After reducing the fraction, the answer is 71/63
In mixed form: 18/63

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