Answers

Add 72/16 and 45/10

1^st number: 4 8/16, 2^nd number: 4 5/10

72/16 + 45/10 is 9/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 10 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 16 × 5 = 80,
   72/16 = 72 × 5/16 × 5 = 360/80
3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
   45/10 = 45 × 8/10 × 8 = 360/80
4. Add the two like fractions:
   360/80 + 360/80 = 360 + 360/80 = 720/80
5. 720/80 simplified gives 9/1
6. So, 72/16 + 45/10 = 9/1

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