Add 40/14 and 90/27, Solve 2 12/14 + 3 9/27 as a fraction

Add 40/14 and 90/27

1^st number: 2 12/14, 2^nd number: 3 9/27

40/14 + 90/27 is 130/21.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 27 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 27 × 14 = 378,
90/27 = 90 × 14/27 × 14 = 1260/378
Add the two like fractions:
1080/378 + 1260/378 = 1080 + 1260/378 = 2340/378
2340/378 simplified gives 130/21
So, 40/14 + 90/27 = 130/21
In mixed form: 64/21

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