Add 28/10 and 18/4, Solve 2 8/10 + 4 2/4 as a fraction

Add 28/10 and 18/4

1^st number: 2 8/10, 2^nd number: 4 2/4

28/10 + 18/4 is 73/10.

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

Next, find the equivalent fraction of both fractional numbers with denominator 20
For the 1st fraction, since 10 × 2 = 20,
28/10 = 28 × 2/10 × 2 = 56/20
Likewise, for the 2nd fraction, since 4 × 5 = 20,
18/4 = 18 × 5/4 × 5 = 90/20
Add the two like fractions:
56/20 + 90/20 = 56 + 90/20 = 146/20
146/20 simplified gives 73/10
So, 28/10 + 18/4 = 73/10
In mixed form: 73/10

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