Add 21/2 and 10/15, Solve 10 1/2 + 10/15 as a fraction

Add 21/2 and 10/15

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

21/2 + 10/15 is 67/6.

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,
21/2 = 21 × 15/2 × 15 = 315/30
Likewise, for the 2nd fraction, since 15 × 2 = 30,
10/15 = 10 × 2/15 × 2 = 20/30
Add the two like fractions:
315/30 + 20/30 = 315 + 20/30 = 335/30
335/30 simplified gives 67/6
So, 21/2 + 10/15 = 67/6
In mixed form: 111/6

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