Add 30/3 and 21/80, Solve 10 0/3 + 21/80 as a fraction

Add 30/3 and 21/80

1^st number: 10 0/3, 2^nd number: 21/80

30/3 + 21/80 is 821/80.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 3 × 80 = 240,
30/3 = 30 × 80/3 × 80 = 2400/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240
Add the two like fractions:
2400/240 + 63/240 = 2400 + 63/240 = 2463/240
2463/240 simplified gives 821/80
So, 30/3 + 21/80 = 821/80
In mixed form: 1021/80

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