Answers

Add 40/28 and 84/27

1^st number: 1 12/28, 2^nd number: 3 3/27

40/28 + 84/27 is 286/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 27 is 756
   
   Next, find the equivalent fraction of both fractional numbers with denominator 756
2. For the 1st fraction, since 28 × 27 = 756,
   40/28 = 40 × 27/28 × 27 = 1080/756
3. Likewise, for the 2nd fraction, since 27 × 28 = 756,
   84/27 = 84 × 28/27 × 28 = 2352/756
4. Add the two like fractions:
   1080/756 + 2352/756 = 1080 + 2352/756 = 3432/756
5. 3432/756 simplified gives 286/63
6. So, 40/28 + 84/27 = 286/63
   In mixed form: 434/63

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