Answers

Add 90/36 and 15/40

1^st number: 2 18/36, 2^nd number: 15/40

90/36 + 15/40 is 23/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 40 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 36 × 10 = 360,
   90/36 = 90 × 10/36 × 10 = 900/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   15/40 = 15 × 9/40 × 9 = 135/360
4. Add the two like fractions:
   900/360 + 135/360 = 900 + 135/360 = 1035/360
5. 1035/360 simplified gives 23/8
6. So, 90/36 + 15/40 = 23/8
   In mixed form: 27/8

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