Answers

Add 90/10 and 80/5

1^st number: 9 0/10, 2^nd number: 16 0/5

90/10 + 80/5 is 25/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 5 is 10
   
   Next, find the equivalent fraction of both fractional numbers with denominator 10
2. For the 1st fraction, since 10 × 1 = 10,
   90/10 = 90 × 1/10 × 1 = 90/10
3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
   80/5 = 80 × 2/5 × 2 = 160/10
4. Add the two like fractions:
   90/10 + 160/10 = 90 + 160/10 = 250/10
5. 250/10 simplified gives 25/1
6. So, 90/10 + 80/5 = 25/1

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