Add 72/9 and 45/10, Solve 8 0/9 + 4 5/10 as a fraction

Add 72/9 and 45/10

1^st number: 8 0/9, 2^nd number: 4 5/10

72/9 + 45/10 is 25/2.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 9 × 10 = 90,
72/9 = 72 × 10/9 × 10 = 720/90
Likewise, for the 2nd fraction, since 10 × 9 = 90,
45/10 = 45 × 9/10 × 9 = 405/90
Add the two like fractions:
720/90 + 405/90 = 720 + 405/90 = 1125/90
1125/90 simplified gives 25/2
So, 72/9 + 45/10 = 25/2
In mixed form: 121/2

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