Add 18/80 and 7/4, Solve 18/80 + 1 3/4 as a fraction

Add 18/80 and 7/4

1^st number: 18/80, 2^nd number: 1 3/4

18/80 + 7/4 is 79/40.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 4 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 80 × 1 = 80,
18/80 = 18 × 1/80 × 1 = 18/80
Likewise, for the 2nd fraction, since 4 × 20 = 80,
7/4 = 7 × 20/4 × 20 = 140/80
Add the two like fractions:
18/80 + 140/80 = 18 + 140/80 = 158/80
158/80 simplified gives 79/40
So, 18/80 + 7/4 = 79/40
In mixed form: 139/40

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