Add 30/7 and 72/18, Solve 4 2/7 + 4 0/18 as a fraction

Add 30/7 and 72/18

1^st number: 4 2/7, 2^nd number: 4 0/18

30/7 + 72/18 is 58/7.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 7 × 18 = 126,
30/7 = 30 × 18/7 × 18 = 540/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
72/18 = 72 × 7/18 × 7 = 504/126
Add the two like fractions:
540/126 + 504/126 = 540 + 504/126 = 1044/126
1044/126 simplified gives 58/7
So, 30/7 + 72/18 = 58/7
In mixed form: 82/7

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