Subtract 54/14 from 4/9, Solve 4/9 - 3 12/14 as a fraction

Subtract 54/14 from 4/9

1^st number: 4/9, 2^nd number: 3 12/14

4/9 - 54/14 is -215/63.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 9 × 14 = 126,
4/9 = 4 × 14/9 × 14 = 56/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
54/14 = 54 × 9/14 × 9 = 486/126
Subtract the two like fractions:
56/126 - 486/126 = 56 - 486/126 = -430/126
After reducing the fraction, the answer is -215/63

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