Answers

Add 90/45 and 60/30

1^st number: 2 0/45, 2^nd number: 2 0/30

90/45 + 60/30 is 4/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 30 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 45 × 2 = 90,
   90/45 = 90 × 2/45 × 2 = 180/90
3. Likewise, for the 2nd fraction, since 30 × 3 = 90,
   60/30 = 60 × 3/30 × 3 = 180/90
4. Add the two like fractions:
   180/90 + 180/90 = 180 + 180/90 = 360/90
5. 360/90 simplified gives 4/1
6. So, 90/45 + 60/30 = 4/1

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