Add 84/18 and 20/80
1st number: 4 12/18, 2nd number: 20/80
84/18 + 20/80 is 59/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
84/18 = 84 × 40/18 × 40 = 3360/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Add the two like fractions:
3360/720 + 180/720 = 3360 + 180/720 = 3540/720 - 3540/720 simplified gives 59/12
- So, 84/18 + 20/80 = 59/12
In mixed form: 411/12
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