Add 32/10 and 40/42, Solve 3 2/10 + 40/42 as a fraction

Add 32/10 and 40/42

1^st number: 3 2/10, 2^nd number: 40/42

32/10 + 40/42 is 436/105.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 10 × 21 = 210,
32/10 = 32 × 21/10 × 21 = 672/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
40/42 = 40 × 5/42 × 5 = 200/210
Add the two like fractions:
672/210 + 200/210 = 672 + 200/210 = 872/210
872/210 simplified gives 436/105
So, 32/10 + 40/42 = 436/105
In mixed form: 416/105

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