Add 4/80 and 15/10, Solve 4/80 + 1 5/10 as a fraction

Add 4/80 and 15/10

1^st number: 4/80, 2^nd number: 1 5/10

4/80 + 15/10 is 31/20.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 80 × 1 = 80,
4/80 = 4 × 1/80 × 1 = 4/80
Likewise, for the 2nd fraction, since 10 × 8 = 80,
15/10 = 15 × 8/10 × 8 = 120/80
Add the two like fractions:
4/80 + 120/80 = 4 + 120/80 = 124/80
124/80 simplified gives 31/20
So, 4/80 + 15/10 = 31/20
In mixed form: 111/20

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