Add 21/3 and 45/24, Solve 7 0/3 + 1 21/24 as a fraction

Add 21/3 and 45/24

1^st number: 7 0/3, 2^nd number: 1 21/24

21/3 + 45/24 is 71/8.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 24 is 24

Next, find the equivalent fraction of both fractional numbers with denominator 24
For the 1st fraction, since 3 × 8 = 24,
21/3 = 21 × 8/3 × 8 = 168/24
Likewise, for the 2nd fraction, since 24 × 1 = 24,
45/24 = 45 × 1/24 × 1 = 45/24
Add the two like fractions:
168/24 + 45/24 = 168 + 45/24 = 213/24
213/24 simplified gives 71/8
So, 21/3 + 45/24 = 71/8
In mixed form: 87/8

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