Add 7/5 and 28/80, Solve 1 2/5 + 28/80 as a fraction

Add 7/5 and 28/80

1^st number: 1 2/5, 2^nd number: 28/80

7/5 + 28/80 is 7/4.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 5 × 16 = 80,
7/5 = 7 × 16/5 × 16 = 112/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
28/80 = 28 × 1/80 × 1 = 28/80
Add the two like fractions:
112/80 + 28/80 = 112 + 28/80 = 140/80
140/80 simplified gives 7/4
So, 7/5 + 28/80 = 7/4
In mixed form: 13/4

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