Add 9/30 and 21/7, Solve 9/30 + 3 0/7 as a fraction

Add 9/30 and 21/7

1^st number: 9/30, 2^nd number: 3 0/7

9/30 + 21/7 is 33/10.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210
Likewise, for the 2nd fraction, since 7 × 30 = 210,
21/7 = 21 × 30/7 × 30 = 630/210
Add the two like fractions:
63/210 + 630/210 = 63 + 630/210 = 693/210
693/210 simplified gives 33/10
So, 9/30 + 21/7 = 33/10
In mixed form: 33/10

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