Add 72/14 and 40/63, Solve 5 2/14 + 40/63 as a fraction

Add 72/14 and 40/63

1^st number: 5 2/14, 2^nd number: 40/63

72/14 + 40/63 is 52/9.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 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 63 × 2 = 126,
40/63 = 40 × 2/63 × 2 = 80/126
Add the two like fractions:
648/126 + 80/126 = 648 + 80/126 = 728/126
728/126 simplified gives 52/9
So, 72/14 + 40/63 = 52/9
In mixed form: 57/9

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