Answers

Add 80/12 and 45/28

1^st number: 6 8/12, 2^nd number: 1 17/28

80/12 + 45/28 is 695/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 28 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   80/12 = 80 × 7/12 × 7 = 560/84
3. Likewise, for the 2nd fraction, since 28 × 3 = 84,
   45/28 = 45 × 3/28 × 3 = 135/84
4. Add the two like fractions:
   560/84 + 135/84 = 560 + 135/84 = 695/84
5. So, 80/12 + 45/28 = 695/84
   In mixed form: 823/84

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