Add 80/9 and 18/40
1st number: 8 8/9, 2nd number: 18/40
80/9 + 18/40 is 1681/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
80/9 = 80 × 40/9 × 40 = 3200/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
18/40 = 18 × 9/40 × 9 = 162/360 - Add the two like fractions:
3200/360 + 162/360 = 3200 + 162/360 = 3362/360 - 3362/360 simplified gives 1681/180
- So, 80/9 + 18/40 = 1681/180
In mixed form: 961/180
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