Add 90/80 and 72/75, Solve 1 10/80 + 72/75 as a fraction

Add 90/80 and 72/75

1^st number: 1 10/80, 2^nd number: 72/75

90/80 + 72/75 is 417/200.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 80 × 15 = 1200,
90/80 = 90 × 15/80 × 15 = 1350/1200
Likewise, for the 2nd fraction, since 75 × 16 = 1200,
72/75 = 72 × 16/75 × 16 = 1152/1200
Add the two like fractions:
1350/1200 + 1152/1200 = 1350 + 1152/1200 = 2502/1200
2502/1200 simplified gives 417/200
So, 90/80 + 72/75 = 417/200
In mixed form: 217/200

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