Add 20/24 and 42/9, Solve 20/24 + 4 6/9 as a fraction

Add 20/24 and 42/9

1^st number: 20/24, 2^nd number: 4 6/9

20/24 + 42/9 is 11/2.

Find the least common denominator or LCM of the two denominators:
LCM of 24 and 9 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 24 × 3 = 72,
20/24 = 20 × 3/24 × 3 = 60/72
Likewise, for the 2nd fraction, since 9 × 8 = 72,
42/9 = 42 × 8/9 × 8 = 336/72
Add the two like fractions:
60/72 + 336/72 = 60 + 336/72 = 396/72
396/72 simplified gives 11/2
So, 20/24 + 42/9 = 11/2
In mixed form: 51/2

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