Add 72/9 and 90/80
1st number: 8 0/9, 2nd number: 1 10/80
72/9 + 90/80 is 73/8.
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,
72/9 = 72 × 80/9 × 80 = 5760/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
90/80 = 90 × 9/80 × 9 = 810/720 - Add the two like fractions:
5760/720 + 810/720 = 5760 + 810/720 = 6570/720 - 6570/720 simplified gives 73/8
- So, 72/9 + 90/80 = 73/8
In mixed form: 91/8
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