Add 40/14 and 63/54, Solve 2 12/14 + 1 9/54 as a fraction

Add 40/14 and 63/54

1^st number: 2 12/14, 2^nd number: 1 9/54

40/14 + 63/54 is 169/42.

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,
63/54 = 63 × 7/54 × 7 = 441/378
Add the two like fractions:
1080/378 + 441/378 = 1080 + 441/378 = 1521/378
1521/378 simplified gives 169/42
So, 40/14 + 63/54 = 169/42
In mixed form: 41/42

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