Add 12/40 and 40/6, Solve 12/40 + 6 4/6 as a fraction

Add 12/40 and 40/6

1^st number: 12/40, 2^nd number: 6 4/6

12/40 + 40/6 is 209/30.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
12/40 = 12 × 3/40 × 3 = 36/120
Likewise, for the 2nd fraction, since 6 × 20 = 120,
40/6 = 40 × 20/6 × 20 = 800/120
Add the two like fractions:
36/120 + 800/120 = 36 + 800/120 = 836/120
836/120 simplified gives 209/30
So, 12/40 + 40/6 = 209/30
In mixed form: 629/30

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