Answers

Add 90/20 and 35/45

1^st number: 4 10/20, 2^nd number: 35/45

90/20 + 35/45 is 95/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   90/20 = 90 × 9/20 × 9 = 810/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   35/45 = 35 × 4/45 × 4 = 140/180
4. Add the two like fractions:
   810/180 + 140/180 = 810 + 140/180 = 950/180
5. 950/180 simplified gives 95/18
6. So, 90/20 + 35/45 = 95/18
   In mixed form: 55/18

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