Subtract 81/49 from 40/12, Solve 3 4/12

Subtract 81/49 from 40/12

1^st number: 3 4/12, 2^nd number: 1 32/49

40/12 - 81/49 is 247/147.

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,
40/12 = 40 × 49/12 × 49 = 1960/588
Likewise, for the 2nd fraction, since 49 × 12 = 588,
81/49 = 81 × 12/49 × 12 = 972/588
Subtract the two like fractions:
1960/588 - 972/588 = 1960 - 972/588 = 988/588
After reducing the fraction, the answer is 247/147
In mixed form: 1100/147

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