Add 21/3 and 45/16, Solve 7 0/3 + 2 13/16 as a fraction

Add 21/3 and 45/16

1^st number: 7 0/3, 2^nd number: 2 13/16

21/3 + 45/16 is 157/16.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 16 is 48

Next, find the equivalent fraction of both fractional numbers with denominator 48
For the 1st fraction, since 3 × 16 = 48,
21/3 = 21 × 16/3 × 16 = 336/48
Likewise, for the 2nd fraction, since 16 × 3 = 48,
45/16 = 45 × 3/16 × 3 = 135/48
Add the two like fractions:
336/48 + 135/48 = 336 + 135/48 = 471/48
471/48 simplified gives 157/16
So, 21/3 + 45/16 = 157/16
In mixed form: 913/16

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