Add 21/3 and 27/20, Solve 7 0/3 + 1 7/20 as a fraction

Add 21/3 and 27/20

1^st number: 7 0/3, 2^nd number: 1 7/20

21/3 + 27/20 is 167/20.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 20 is 60

Next, find the equivalent fraction of both fractional numbers with denominator 60
For the 1st fraction, since 3 × 20 = 60,
21/3 = 21 × 20/3 × 20 = 420/60
Likewise, for the 2nd fraction, since 20 × 3 = 60,
27/20 = 27 × 3/20 × 3 = 81/60
Add the two like fractions:
420/60 + 81/60 = 420 + 81/60 = 501/60
501/60 simplified gives 167/20
So, 21/3 + 27/20 = 167/20
In mixed form: 87/20

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