Answers

Add 90/10 and 28/4

1^st number: 9 0/10, 2^nd number: 7 0/4

90/10 + 28/4 is 16/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   90/10 = 90 × 2/10 × 2 = 180/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   28/4 = 28 × 5/4 × 5 = 140/20
4. Add the two like fractions:
   180/20 + 140/20 = 180 + 140/20 = 320/20
5. 320/20 simplified gives 16/1
6. So, 90/10 + 28/4 = 16/1

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