Add 72/8 and 21/12, Solve 9 0/8 + 1 9/12 as a fraction

Add 72/8 and 21/12

1^st number: 9 0/8, 2^nd number: 1 9/12

72/8 + 21/12 is 43/4.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24

Next, find the equivalent fraction of both fractional numbers with denominator 24
For the 1st fraction, since 8 × 3 = 24,
72/8 = 72 × 3/8 × 3 = 216/24
Likewise, for the 2nd fraction, since 12 × 2 = 24,
21/12 = 21 × 2/12 × 2 = 42/24
Add the two like fractions:
216/24 + 42/24 = 216 + 42/24 = 258/24
258/24 simplified gives 43/4
So, 72/8 + 21/12 = 43/4
In mixed form: 103/4

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