Add 54/14 and 4/18, Solve 3 12/14 + 4/18 as a fraction

Add 54/14 and 4/18

1^st number: 3 12/14, 2^nd number: 4/18

54/14 + 4/18 is 257/63.

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,
4/18 = 4 × 7/18 × 7 = 28/126
Add the two like fractions:
486/126 + 28/126 = 486 + 28/126 = 514/126
514/126 simplified gives 257/63
So, 54/14 + 4/18 = 257/63
In mixed form: 45/63

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