Add 45/42 and 40/14, Solve 1 3/42 + 2 12/14 as a fraction

Add 45/42 and 40/14

1^st number: 1 3/42, 2^nd number: 2 12/14

45/42 + 40/14 is 55/14.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 42 × 1 = 42,
45/42 = 45 × 1/42 × 1 = 45/42
Likewise, for the 2nd fraction, since 14 × 3 = 42,
40/14 = 40 × 3/14 × 3 = 120/42
Add the two like fractions:
45/42 + 120/42 = 45 + 120/42 = 165/42
165/42 simplified gives 55/14
So, 45/42 + 40/14 = 55/14
In mixed form: 313/14

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