Answers

Add 90/45 and 45/60

1^st number: 2 0/45, 2^nd number: 45/60

90/45 + 45/60 is 11/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 60 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 60 × 3 = 180,
   45/60 = 45 × 3/60 × 3 = 135/180
4. Add the two like fractions:
   360/180 + 135/180 = 360 + 135/180 = 495/180
5. 495/180 simplified gives 11/4
6. So, 90/45 + 45/60 = 11/4
   In mixed form: 23/4

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