Answers

Add 80/16 and 54/90

1^st number: 5 0/16, 2^nd number: 54/90

80/16 + 54/90 is 28/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 90 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 16 × 45 = 720,
   80/16 = 80 × 45/16 × 45 = 3600/720
3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
   54/90 = 54 × 8/90 × 8 = 432/720
4. Add the two like fractions:
   3600/720 + 432/720 = 3600 + 432/720 = 4032/720
5. 4032/720 simplified gives 28/5
6. So, 80/16 + 54/90 = 28/5
   In mixed form: 53/5

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