Add 72/14 and 20/18, Solve 5 2/14 + 1 2/18 as a fraction

Add 72/14 and 20/18

1^st number: 5 2/14, 2^nd number: 1 2/18

72/14 + 20/18 is 394/63.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
72/14 = 72 × 9/14 × 9 = 648/126
Likewise, for the 2nd fraction, since 18 × 7 = 126,
20/18 = 20 × 7/18 × 7 = 140/126
Add the two like fractions:
648/126 + 140/126 = 648 + 140/126 = 788/126
788/126 simplified gives 394/63
So, 72/14 + 20/18 = 394/63
In mixed form: 616/63

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