Answers

Add 90/36 and 30/80

1^st number: 2 18/36, 2^nd number: 30/80

90/36 + 30/80 is 23/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 36 × 20 = 720,
   90/36 = 90 × 20/36 × 20 = 1800/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   30/80 = 30 × 9/80 × 9 = 270/720
4. Add the two like fractions:
   1800/720 + 270/720 = 1800 + 270/720 = 2070/720
5. 2070/720 simplified gives 23/8
6. So, 90/36 + 30/80 = 23/8
   In mixed form: 27/8

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