Answers

Add 54/90 and 25/20

1^st number: 54/90, 2^nd number: 1 5/20

54/90 + 25/20 is 37/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   54/90 = 54 × 2/90 × 2 = 108/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   25/20 = 25 × 9/20 × 9 = 225/180
4. Add the two like fractions:
   108/180 + 225/180 = 108 + 225/180 = 333/180
5. 333/180 simplified gives 37/20
6. So, 54/90 + 25/20 = 37/20
   In mixed form: 117/20

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