Answers

Add 20/72 and 50/15

1^st number: 20/72, 2^nd number: 3 5/15

20/72 + 50/15 is 65/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 15 is 360
   
   Next, find the equivalent fraction of both fractional numbers with denominator 360
2. For the 1st fraction, since 72 × 5 = 360,
   20/72 = 20 × 5/72 × 5 = 100/360
3. Likewise, for the 2nd fraction, since 15 × 24 = 360,
   50/15 = 50 × 24/15 × 24 = 1200/360
4. Add the two like fractions:
   100/360 + 1200/360 = 100 + 1200/360 = 1300/360
5. 1300/360 simplified gives 65/18
6. So, 20/72 + 50/15 = 65/18
   In mixed form: 311/18

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