Add 30/21 and 10/15, Solve 1 9/21 + 10/15 as a fraction

Add 30/21 and 10/15

1^st number: 1 9/21, 2^nd number: 10/15

30/21 + 10/15 is 44/21.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 15 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 21 × 5 = 105,
30/21 = 30 × 5/21 × 5 = 150/105
Likewise, for the 2nd fraction, since 15 × 7 = 105,
10/15 = 10 × 7/15 × 7 = 70/105
Add the two like fractions:
150/105 + 70/105 = 150 + 70/105 = 220/105
220/105 simplified gives 44/21
So, 30/21 + 10/15 = 44/21
In mixed form: 22/21

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