Add 3/18 and 90/14, Solve 3/18 + 6 6/14 as a fraction

Add 3/18 and 90/14

1^st number: 3/18, 2^nd number: 6 6/14

3/18 + 90/14 is 277/42.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
3/18 = 3 × 7/18 × 7 = 21/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
90/14 = 90 × 9/14 × 9 = 810/126
Add the two like fractions:
21/126 + 810/126 = 21 + 810/126 = 831/126
831/126 simplified gives 277/42
So, 3/18 + 90/14 = 277/42
In mixed form: 625/42

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