Add 75/20 and 9/80
1st number: 3 15/20, 2nd number: 9/80
75/20 + 9/80 is 309/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
75/20 = 75 × 4/20 × 4 = 300/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
9/80 = 9 × 1/80 × 1 = 9/80 - Add the two like fractions:
300/80 + 9/80 = 300 + 9/80 = 309/80 - So, 75/20 + 9/80 = 309/80
In mixed form: 369/80
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