Add 80/9 and 21/42
1st number: 8 8/9, 2nd number: 21/42
80/9 + 21/42 is 169/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
80/9 = 80 × 14/9 × 14 = 1120/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
21/42 = 21 × 3/42 × 3 = 63/126 - Add the two like fractions:
1120/126 + 63/126 = 1120 + 63/126 = 1183/126 - 1183/126 simplified gives 169/18
- So, 80/9 + 21/42 = 169/18
In mixed form: 97/18
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