Add 45/40 and 25/80, Solve 1 5/40 + 25/80 as a fraction

Add 45/40 and 25/80

1^st number: 1 5/40, 2^nd number: 25/80

45/40 + 25/80 is 23/16.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 40 × 2 = 80,
45/40 = 45 × 2/40 × 2 = 90/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
25/80 = 25 × 1/80 × 1 = 25/80
Add the two like fractions:
90/80 + 25/80 = 90 + 25/80 = 115/80
115/80 simplified gives 23/16
So, 45/40 + 25/80 = 23/16
In mixed form: 17/16

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