Subtract 50/18 from 54/14, Solve 3 12/14

Subtract 50/18 from 54/14

1^st number: 3 12/14, 2^nd number: 2 14/18

54/14 - 50/18 is 68/63.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
54/14 = 54 × 9/14 × 9 = 486/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
50/18 = 50 × 7/18 × 7 = 350/126
Subtract the two like fractions:
486/126 - 350/126 = 486 - 350/126 = 136/126
After reducing the fraction, the answer is 68/63
In mixed form: 15/63

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