Add 3/9 and 80/7
1st number: 3/9, 2nd number: 11 3/7
3/9 + 80/7 is 247/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
3/9 = 3 × 7/9 × 7 = 21/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
80/7 = 80 × 9/7 × 9 = 720/63 - Add the two like fractions:
21/63 + 720/63 = 21 + 720/63 = 741/63 - 741/63 simplified gives 247/21
- So, 3/9 + 80/7 = 247/21
In mixed form: 1116/21
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