Add 81/14 and 45/63, Solve 5 11/14 + 45/63 as a fraction

Add 81/14 and 45/63

1^st number: 5 11/14, 2^nd number: 45/63

81/14 + 45/63 is 13/2.

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,
81/14 = 81 × 9/14 × 9 = 729/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
45/63 = 45 × 2/63 × 2 = 90/126
Add the two like fractions:
729/126 + 90/126 = 729 + 90/126 = 819/126
819/126 simplified gives 13/2
So, 81/14 + 45/63 = 13/2
In mixed form: 61/2

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