Answers

Add 50/20 and 45/90

1^st number: 2 10/20, 2^nd number: 45/90

50/20 + 45/90 is 3/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   50/20 = 50 × 9/20 × 9 = 450/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   45/90 = 45 × 2/90 × 2 = 90/180
4. Add the two like fractions:
   450/180 + 90/180 = 450 + 90/180 = 540/180
5. 540/180 simplified gives 3/1
6. So, 50/20 + 45/90 = 3/1

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