Add 81/9 and 30/80
1st number: 9 0/9, 2nd number: 30/80
81/9 + 30/80 is 75/8.
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,
81/9 = 81 × 80/9 × 80 = 6480/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
30/80 = 30 × 9/80 × 9 = 270/720 - Add the two like fractions:
6480/720 + 270/720 = 6480 + 270/720 = 6750/720 - 6750/720 simplified gives 75/8
- So, 81/9 + 30/80 = 75/8
In mixed form: 93/8
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