Add 18/12 and 90/14, Solve 1 6/12 + 6 6/14 as a fraction

Add 18/12 and 90/14

1^st number: 1 6/12, 2^nd number: 6 6/14

18/12 + 90/14 is 111/14.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 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 14 × 6 = 84,
90/14 = 90 × 6/14 × 6 = 540/84
Add the two like fractions:
126/84 + 540/84 = 126 + 540/84 = 666/84
666/84 simplified gives 111/14
So, 18/12 + 90/14 = 111/14
In mixed form: 713/14

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