Add 8/40 and 40/12, Solve 8/40 + 3 4/12 as a fraction

Add 8/40 and 40/12

1^st number: 8/40, 2^nd number: 3 4/12

8/40 + 40/12 is 53/15.

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

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
8/40 = 8 × 3/40 × 3 = 24/120
Likewise, for the 2nd fraction, since 12 × 10 = 120,
40/12 = 40 × 10/12 × 10 = 400/120
Add the two like fractions:
24/120 + 400/120 = 24 + 400/120 = 424/120
424/120 simplified gives 53/15
So, 8/40 + 40/12 = 53/15
In mixed form: 38/15

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