Add 21/15 and 10/30, Solve 1 6/15 + 10/30 as a fraction

Add 21/15 and 10/30

1^st number: 1 6/15, 2^nd number: 10/30

21/15 + 10/30 is 26/15.

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

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 15 × 2 = 30,
21/15 = 21 × 2/15 × 2 = 42/30
Likewise, for the 2nd fraction, since 30 × 1 = 30,
10/30 = 10 × 1/30 × 1 = 10/30
Add the two like fractions:
42/30 + 10/30 = 42 + 10/30 = 52/30
52/30 simplified gives 26/15
So, 21/15 + 10/30 = 26/15
In mixed form: 111/15

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