Add 90/80 and 9/40
1st number: 1 10/80, 2nd number: 9/40
90/80 + 9/40 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
9/40 = 9 × 2/40 × 2 = 18/80 - Add the two like fractions:
90/80 + 18/80 = 90 + 18/80 = 108/80 - 108/80 simplified gives 27/20
- So, 90/80 + 9/40 = 27/20
In mixed form: 17/20
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