Add 18/12 and 30/7, Solve 1 6/12 + 4 2/7 as a fraction

Add 18/12 and 30/7

1^st number: 1 6/12, 2^nd number: 4 2/7

18/12 + 30/7 is 81/14.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
18/12 = 18 × 7/12 × 7 = 126/84
Likewise, for the 2nd fraction, since 7 × 12 = 84,
30/7 = 30 × 12/7 × 12 = 360/84
Add the two like fractions:
126/84 + 360/84 = 126 + 360/84 = 486/84
486/84 simplified gives 81/14
So, 18/12 + 30/7 = 81/14
In mixed form: 511/14

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