Subtract 9/49 from 45/12, Solve 3 9/12

Subtract 9/49 from 45/12

1^st number: 3 9/12, 2^nd number: 9/49

45/12 - 9/49 is 699/196.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588

Next, find the equivalent fraction of both fractional numbers with denominator 588
For the 1st fraction, since 12 × 49 = 588,
45/12 = 45 × 49/12 × 49 = 2205/588
Likewise, for the 2nd fraction, since 49 × 12 = 588,
9/49 = 9 × 12/49 × 12 = 108/588
Subtract the two like fractions:
2205/588 - 108/588 = 2205 - 108/588 = 2097/588
After reducing the fraction, the answer is 699/196
In mixed form: 3111/196

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