Add 9/80 and 90/20
1st number: 9/80, 2nd number: 4 10/20
9/80 + 90/20 is 369/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
9/80 = 9 × 1/80 × 1 = 9/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
90/20 = 90 × 4/20 × 4 = 360/80 - Add the two like fractions:
9/80 + 360/80 = 9 + 360/80 = 369/80 - So, 9/80 + 90/20 = 369/80
In mixed form: 449/80
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