Subtract 3/54 from 40/14, Solve 2 12/14

Subtract 3/54 from 40/14

1^st number: 2 12/14, 2^nd number: 3/54

40/14 - 3/54 is 353/126.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 is 378

Next, find the equivalent fraction of both fractional numbers with denominator 378
For the 1st fraction, since 14 × 27 = 378,
40/14 = 40 × 27/14 × 27 = 1080/378
Likewise, for the 2nd fraction, since 54 × 7 = 378,
3/54 = 3 × 7/54 × 7 = 21/378
Subtract the two like fractions:
1080/378 - 21/378 = 1080 - 21/378 = 1059/378
After reducing the fraction, the answer is 353/126
In mixed form: 2101/126

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