Add 30/5 and 30/21, Solve 6 0/5 + 1 9/21 as a fraction

Add 30/5 and 30/21

1^st number: 6 0/5, 2^nd number: 1 9/21

30/5 + 30/21 is 52/7.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105

Next, find the equivalent fraction of both fractional numbers with denominator 105
For the 1st fraction, since 5 × 21 = 105,
30/5 = 30 × 21/5 × 21 = 630/105
Likewise, for the 2nd fraction, since 21 × 5 = 105,
30/21 = 30 × 5/21 × 5 = 150/105
Add the two like fractions:
630/105 + 150/105 = 630 + 150/105 = 780/105
780/105 simplified gives 52/7
So, 30/5 + 30/21 = 52/7
In mixed form: 73/7

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