Subtract 18/12 from 40/14, Solve 2 12/14

Subtract 18/12 from 40/14

1^st number: 2 12/14, 2^nd number: 1 6/12

40/14 - 18/12 is 19/14.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 14 × 6 = 84,
40/14 = 40 × 6/14 × 6 = 240/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
18/12 = 18 × 7/12 × 7 = 126/84
Subtract the two like fractions:
240/84 - 126/84 = 240 - 126/84 = 114/84
After reducing the fraction, the answer is 19/14
In mixed form: 15/14

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