Add 72/42 and 30/5, Solve 1 30/42 + 6 0/5 as a fraction

Add 72/42 and 30/5

1^st number: 1 30/42, 2^nd number: 6 0/5

72/42 + 30/5 is 54/7.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
72/42 = 72 × 5/42 × 5 = 360/210
Likewise, for the 2nd fraction, since 5 × 42 = 210,
30/5 = 30 × 42/5 × 42 = 1260/210
Add the two like fractions:
360/210 + 1260/210 = 360 + 1260/210 = 1620/210
1620/210 simplified gives 54/7
So, 72/42 + 30/5 = 54/7
In mixed form: 75/7

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