Answers

Add 15/20 and 75/72

1^st number: 15/20, 2^nd number: 1 3/72

15/20 + 75/72 is 43/24.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 72 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 20 × 18 = 360,
   15/20 = 15 × 18/20 × 18 = 270/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   75/72 = 75 × 5/72 × 5 = 375/360
4. Add the two like fractions:
   270/360 + 375/360 = 270 + 375/360 = 645/360
5. 645/360 simplified gives 43/24
6. So, 15/20 + 75/72 = 43/24
   In mixed form: 119/24

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