Add 90/75 and 50/80, Solve 1 15/75 + 50/80 as a fraction

Add 90/75 and 50/80

1^st number: 1 15/75, 2^nd number: 50/80

90/75 + 50/80 is 73/40.

Find the least common denominator or LCM of the two denominators:
LCM of 75 and 80 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 75 × 16 = 1200,
90/75 = 90 × 16/75 × 16 = 1440/1200
Likewise, for the 2nd fraction, since 80 × 15 = 1200,
50/80 = 50 × 15/80 × 15 = 750/1200
Add the two like fractions:
1440/1200 + 750/1200 = 1440 + 750/1200 = 2190/1200
2190/1200 simplified gives 73/40
So, 90/75 + 50/80 = 73/40
In mixed form: 133/40

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