Add 14/12 and 84/40, Solve 1 2/12 + 2 4/40 as a fraction

Add 14/12 and 84/40

1^st number: 1 2/12, 2^nd number: 2 4/40

14/12 + 84/40 is 49/15.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 12 × 10 = 120,
14/12 = 14 × 10/12 × 10 = 140/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
84/40 = 84 × 3/40 × 3 = 252/120
Add the two like fractions:
140/120 + 252/120 = 140 + 252/120 = 392/120
392/120 simplified gives 49/15
So, 14/12 + 84/40 = 49/15
In mixed form: 34/15

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