Answers

Add 40/30 and 28/84

1^st number: 1 10/30, 2^nd number: 28/84

40/30 + 28/84 is 5/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 30 × 14 = 420,
   40/30 = 40 × 14/30 × 14 = 560/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   28/84 = 28 × 5/84 × 5 = 140/420
4. Add the two like fractions:
   560/420 + 140/420 = 560 + 140/420 = 700/420
5. 700/420 simplified gives 5/3
6. So, 40/30 + 28/84 = 5/3
   In mixed form: 12/3

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