Answers

Add 80/45 and 54/28

1^st number: 1 35/45, 2^nd number: 1 26/28

80/45 + 54/28 is 467/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 28 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 45 × 28 = 1260,
   80/45 = 80 × 28/45 × 28 = 2240/1260
3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
   54/28 = 54 × 45/28 × 45 = 2430/1260
4. Add the two like fractions:
   2240/1260 + 2430/1260 = 2240 + 2430/1260 = 4670/1260
5. 4670/1260 simplified gives 467/126
6. So, 80/45 + 54/28 = 467/126
   In mixed form: 389/126

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