Add 70/9 and 20/80
1st number: 7 7/9, 2nd number: 20/80
70/9 + 20/80 is 289/36.
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,
70/9 = 70 × 80/9 × 80 = 5600/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
20/80 = 20 × 9/80 × 9 = 180/720 - Add the two like fractions:
5600/720 + 180/720 = 5600 + 180/720 = 5780/720 - 5780/720 simplified gives 289/36
- So, 70/9 + 20/80 = 289/36
In mixed form: 81/36
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