Add 80/15 and 80/9
1st number: 5 5/15, 2nd number: 8 8/9
80/15 + 80/9 is 128/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
80/15 = 80 × 3/15 × 3 = 240/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
80/9 = 80 × 5/9 × 5 = 400/45 - Add the two like fractions:
240/45 + 400/45 = 240 + 400/45 = 640/45 - 640/45 simplified gives 128/9
- So, 80/15 + 80/9 = 128/9
In mixed form: 142/9
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