Add 80/72 and 5/80
1st number: 1 8/72, 2nd number: 5/80
80/72 + 5/80 is 169/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
80/72 = 80 × 10/72 × 10 = 800/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
5/80 = 5 × 9/80 × 9 = 45/720 - Add the two like fractions:
800/720 + 45/720 = 800 + 45/720 = 845/720 - 845/720 simplified gives 169/144
- So, 80/72 + 5/80 = 169/144
In mixed form: 125/144
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