Add 20/80 and 28/9
1st number: 20/80, 2nd number: 3 1/9
20/80 + 28/9 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
28/9 = 28 × 80/9 × 80 = 2240/720 - Add the two like fractions:
180/720 + 2240/720 = 180 + 2240/720 = 2420/720 - 2420/720 simplified gives 121/36
- So, 20/80 + 28/9 = 121/36
In mixed form: 313/36
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