Add 42/2 and 3/15, Solve 21 0/2 + 3/15 as a fraction

Add 42/2 and 3/15

1^st number: 21 0/2, 2^nd number: 3/15

42/2 + 3/15 is 106/5.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 2 × 15 = 30,
42/2 = 42 × 15/2 × 15 = 630/30
Likewise, for the 2nd fraction, since 15 × 2 = 30,
3/15 = 3 × 2/15 × 2 = 6/30
Add the two like fractions:
630/30 + 6/30 = 630 + 6/30 = 636/30
636/30 simplified gives 106/5
So, 42/2 + 3/15 = 106/5
In mixed form: 211/5

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