Add 90/8 and 63/12, Solve 11 2/8 + 5 3/12 as a fraction

Add 90/8 and 63/12

1^st number: 11 2/8, 2^nd number: 5 3/12

90/8 + 63/12 is 33/2.

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,
90/8 = 90 × 3/8 × 3 = 270/24
Likewise, for the 2nd fraction, since 12 × 2 = 24,
63/12 = 63 × 2/12 × 2 = 126/24
Add the two like fractions:
270/24 + 126/24 = 270 + 126/24 = 396/24
396/24 simplified gives 33/2
So, 90/8 + 63/12 = 33/2
In mixed form: 161/2

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