Add 9/18 and 80/40
1st number: 9/18, 2nd number: 2 0/40
9/18 + 80/40 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
9/18 = 9 × 20/18 × 20 = 180/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
80/40 = 80 × 9/40 × 9 = 720/360 - Add the two like fractions:
180/360 + 720/360 = 180 + 720/360 = 900/360 - 900/360 simplified gives 5/2
- So, 9/18 + 80/40 = 5/2
In mixed form: 21/2
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