Add 21/7 and 9/24, Solve 3 0/7 + 9/24 as a fraction

Add 21/7 and 9/24

1^st number: 3 0/7, 2^nd number: 9/24

21/7 + 9/24 is 27/8.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 7 × 24 = 168,
21/7 = 21 × 24/7 × 24 = 504/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
9/24 = 9 × 7/24 × 7 = 63/168
Add the two like fractions:
504/168 + 63/168 = 504 + 63/168 = 567/168
567/168 simplified gives 27/8
So, 21/7 + 9/24 = 27/8
In mixed form: 33/8

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