Subtract 9/49 from 21/9, Solve 2 3/9

Subtract 9/49 from 21/9

1^st number: 2 3/9, 2^nd number: 9/49

21/9 - 9/49 is 316/147.

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,
21/9 = 21 × 49/9 × 49 = 1029/441
Likewise, for the 2nd fraction, since 49 × 9 = 441,
9/49 = 9 × 9/49 × 9 = 81/441
Subtract the two like fractions:
1029/441 - 81/441 = 1029 - 81/441 = 948/441
After reducing the fraction, the answer is 316/147
In mixed form: 222/147

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