Add 15/42 and 35/10, Solve 15/42 + 3 5/10 as a fraction

Add 15/42 and 35/10

1^st number: 15/42, 2^nd number: 3 5/10

15/42 + 35/10 is 27/7.

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,
15/42 = 15 × 5/42 × 5 = 75/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
35/10 = 35 × 21/10 × 21 = 735/210
Add the two like fractions:
75/210 + 735/210 = 75 + 735/210 = 810/210
810/210 simplified gives 27/7
So, 15/42 + 35/10 = 27/7
In mixed form: 36/7

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