Answers

Add 54/45 and 15/84

1^st number: 1 9/45, 2^nd number: 15/84

54/45 + 15/84 is 193/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 45 × 28 = 1260,
   54/45 = 54 × 28/45 × 28 = 1512/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   15/84 = 15 × 15/84 × 15 = 225/1260
4. Add the two like fractions:
   1512/1260 + 225/1260 = 1512 + 225/1260 = 1737/1260
5. 1737/1260 simplified gives 193/140
6. So, 54/45 + 15/84 = 193/140
   In mixed form: 153/140

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