Add 84/21 and 60/30, Solve 4 0/21 + 2 0/30 as a fraction

Add 84/21 and 60/30

1^st number: 4 0/21, 2^nd number: 2 0/30

84/21 + 60/30 is 6/1.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
84/21 = 84 × 10/21 × 10 = 840/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
60/30 = 60 × 7/30 × 7 = 420/210
Add the two like fractions:
840/210 + 420/210 = 840 + 420/210 = 1260/210
1260/210 simplified gives 6/1
So, 84/21 + 60/30 = 6/1

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