Add 40/15 and 3/42, Solve 2 10/15 + 3/42 as a fraction

Add 40/15 and 3/42

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

40/15 + 3/42 is 115/42.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 15 × 14 = 210,
40/15 = 40 × 14/15 × 14 = 560/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210
Add the two like fractions:
560/210 + 15/210 = 560 + 15/210 = 575/210
575/210 simplified gives 115/42
So, 40/15 + 3/42 = 115/42
In mixed form: 231/42

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