Answers

Add 90/4 and 45/80

1^st number: 22 2/4, 2^nd number: 45/80

90/4 + 45/80 is 369/16.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 4 × 20 = 80,
   90/4 = 90 × 20/4 × 20 = 1800/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   45/80 = 45 × 1/80 × 1 = 45/80
4. Add the two like fractions:
   1800/80 + 45/80 = 1800 + 45/80 = 1845/80
5. 1845/80 simplified gives 369/16
6. So, 90/4 + 45/80 = 369/16
   In mixed form: 231/16

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