Answers

Add 84/28 and 12/45

1^st number: 3 0/28, 2^nd number: 12/45

84/28 + 12/45 is 49/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   84/28 = 84 × 45/28 × 45 = 3780/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   12/45 = 12 × 28/45 × 28 = 336/1260
4. Add the two like fractions:
   3780/1260 + 336/1260 = 3780 + 336/1260 = 4116/1260
5. 4116/1260 simplified gives 49/15
6. So, 84/28 + 12/45 = 49/15
   In mixed form: 34/15

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