Add 42/40 and 6/12, Solve 1 2/40 + 6/12 as a fraction

Add 42/40 and 6/12

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

42/40 + 6/12 is 31/20.

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,
42/40 = 42 × 3/40 × 3 = 126/120
Likewise, for the 2nd fraction, since 12 × 10 = 120,
6/12 = 6 × 10/12 × 10 = 60/120
Add the two like fractions:
126/120 + 60/120 = 126 + 60/120 = 186/120
186/120 simplified gives 31/20
So, 42/40 + 6/12 = 31/20
In mixed form: 111/20

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