Answers

Add 15/24 and 90/45

1^st number: 15/24, 2^nd number: 2 0/45

15/24 + 90/45 is 21/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 45 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 24 × 15 = 360,
   15/24 = 15 × 15/24 × 15 = 225/360
3. Likewise, for the 2nd fraction, since 45 × 8 = 360,
   90/45 = 90 × 8/45 × 8 = 720/360
4. Add the two like fractions:
   225/360 + 720/360 = 225 + 720/360 = 945/360
5. 945/360 simplified gives 21/8
6. So, 15/24 + 90/45 = 21/8
   In mixed form: 25/8

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