Add 80/6 and 18/21
1st number: 13 2/6, 2nd number: 18/21
80/6 + 18/21 is 298/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 6 × 7 = 42,
80/6 = 80 × 7/6 × 7 = 560/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
18/21 = 18 × 2/21 × 2 = 36/42 - Add the two like fractions:
560/42 + 36/42 = 560 + 36/42 = 596/42 - 596/42 simplified gives 298/21
- So, 80/6 + 18/21 = 298/21
In mixed form: 144/21
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