Add 7/2 and 18/80, Solve 3 1/2 + 18/80 as a fraction

Add 7/2 and 18/80

1^st number: 3 1/2, 2^nd number: 18/80

7/2 + 18/80 is 149/40.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 2 × 40 = 80,
7/2 = 7 × 40/2 × 40 = 280/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
18/80 = 18 × 1/80 × 1 = 18/80
Add the two like fractions:
280/80 + 18/80 = 280 + 18/80 = 298/80
298/80 simplified gives 149/40
So, 7/2 + 18/80 = 149/40
In mixed form: 329/40

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