Answers

Add 90/45 and 45/36

1^st number: 2 0/45, 2^nd number: 1 9/36

90/45 + 45/36 is 13/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 36 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   90/45 = 90 × 4/45 × 4 = 360/180
3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
   45/36 = 45 × 5/36 × 5 = 225/180
4. Add the two like fractions:
   360/180 + 225/180 = 360 + 225/180 = 585/180
5. 585/180 simplified gives 13/4
6. So, 90/45 + 45/36 = 13/4
   In mixed form: 31/4

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