Add 72/4 and 21/10, Solve 18 0/4 + 2 1/10 as a fraction

Add 72/4 and 21/10

1^st number: 18 0/4, 2^nd number: 2 1/10

72/4 + 21/10 is 201/10.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20

Next, find the equivalent fraction of both fractional numbers with denominator 20
For the 1st fraction, since 4 × 5 = 20,
72/4 = 72 × 5/4 × 5 = 360/20
Likewise, for the 2nd fraction, since 10 × 2 = 20,
21/10 = 21 × 2/10 × 2 = 42/20
Add the two like fractions:
360/20 + 42/20 = 360 + 42/20 = 402/20
402/20 simplified gives 201/10
So, 72/4 + 21/10 = 201/10
In mixed form: 201/10

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