Add 81/2 and 7/63, Solve 40 1/2 + 7/63 as a fraction

Add 81/2 and 7/63

1^st number: 40 1/2, 2^nd number: 7/63

81/2 + 7/63 is 731/18.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 2 × 63 = 126,
81/2 = 81 × 63/2 × 63 = 5103/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126
Add the two like fractions:
5103/126 + 14/126 = 5103 + 14/126 = 5117/126
5117/126 simplified gives 731/18
So, 81/2 + 7/63 = 731/18
In mixed form: 4011/18

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