Answers

Add 80/21 and 56/6

1^st number: 3 17/21, 2^nd number: 9 2/6

80/21 + 56/6 is 92/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 6 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   80/21 = 80 × 2/21 × 2 = 160/42
3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
   56/6 = 56 × 7/6 × 7 = 392/42
4. Add the two like fractions:
   160/42 + 392/42 = 160 + 392/42 = 552/42
5. 552/42 simplified gives 92/7
6. So, 80/21 + 56/6 = 92/7
   In mixed form: 131/7

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