Add 54/18 and 40/14, Solve 3 0/18 + 2 12/14 as a fraction

Add 54/18 and 40/14

1^st number: 3 0/18, 2^nd number: 2 12/14

54/18 + 40/14 is 41/7.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
54/18 = 54 × 7/18 × 7 = 378/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
40/14 = 40 × 9/14 × 9 = 360/126
Add the two like fractions:
378/126 + 360/126 = 378 + 360/126 = 738/126
738/126 simplified gives 41/7
So, 54/18 + 40/14 = 41/7
In mixed form: 56/7

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