Add 40/42 and 36/10, Solve 40/42 + 3 6/10 as a fraction

Add 40/42 and 36/10

1^st number: 40/42, 2^nd number: 3 6/10

40/42 + 36/10 is 478/105.

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

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
40/42 = 40 × 5/42 × 5 = 200/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
36/10 = 36 × 21/10 × 21 = 756/210
Add the two like fractions:
200/210 + 756/210 = 200 + 756/210 = 956/210
956/210 simplified gives 478/105
So, 40/42 + 36/10 = 478/105
In mixed form: 458/105

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