Add 81/2 and 6/72, Solve 40 1/2 + 6/72 as a fraction

Add 81/2 and 6/72

1^st number: 40 1/2, 2^nd number: 6/72

81/2 + 6/72 is 487/12.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 2 × 36 = 72,
81/2 = 81 × 36/2 × 36 = 2916/72
Likewise, for the 2nd fraction, since 72 × 1 = 72,
6/72 = 6 × 1/72 × 1 = 6/72
Add the two like fractions:
2916/72 + 6/72 = 2916 + 6/72 = 2922/72
2922/72 simplified gives 487/12
So, 81/2 + 6/72 = 487/12
In mixed form: 407/12

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