Add 18/9 and 40/80
1st number: 2 0/9, 2nd number: 40/80
18/9 + 40/80 is 5/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 9 × 80 = 720,
18/9 = 18 × 80/9 × 80 = 1440/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
40/80 = 40 × 9/80 × 9 = 360/720 - Add the two like fractions:
1440/720 + 360/720 = 1440 + 360/720 = 1800/720 - 1800/720 simplified gives 5/2
- So, 18/9 + 40/80 = 5/2
In mixed form: 21/2
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