Add 75/2 and 90/80
1st number: 37 1/2, 2nd number: 1 10/80
75/2 + 90/80 is 309/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
75/2 = 75 × 40/2 × 40 = 3000/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Add the two like fractions:
3000/80 + 90/80 = 3000 + 90/80 = 3090/80 - 3090/80 simplified gives 309/8
- So, 75/2 + 90/80 = 309/8
In mixed form: 385/8
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