Add 90/80 and 25/40, Solve 1 10/80 + 25/40 as a fraction

Add 90/80 and 25/40

1^st number: 1 10/80, 2^nd number: 25/40

90/80 + 25/40 is 7/4.

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

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80
Likewise, for the 2nd fraction, since 40 × 2 = 80,
25/40 = 25 × 2/40 × 2 = 50/80
Add the two like fractions:
90/80 + 50/80 = 90 + 50/80 = 140/80
140/80 simplified gives 7/4
So, 90/80 + 25/40 = 7/4
In mixed form: 13/4

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