Answers

Add 45/40 and 15/90

1^st number: 1 5/40, 2^nd number: 15/90

45/40 + 15/90 is 31/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 90 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 40 × 9 = 360,
   45/40 = 45 × 9/40 × 9 = 405/360
3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
   15/90 = 15 × 4/90 × 4 = 60/360
4. Add the two like fractions:
   405/360 + 60/360 = 405 + 60/360 = 465/360
5. 465/360 simplified gives 31/24
6. So, 45/40 + 15/90 = 31/24
   In mixed form: 17/24

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