Answers

Add 72/36 and 15/40

1^st number: 2 0/36, 2^nd number: 15/40

72/36 + 15/40 is 19/8.

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,
   72/36 = 72 × 10/36 × 10 = 720/360
3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
   15/40 = 15 × 9/40 × 9 = 135/360
4. Add the two like fractions:
   720/360 + 135/360 = 720 + 135/360 = 855/360
5. 855/360 simplified gives 19/8
6. So, 72/36 + 15/40 = 19/8
   In mixed form: 23/8

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