Answers

Add 20/50 and 84/72

1^st number: 20/50, 2^nd number: 1 12/72

20/50 + 84/72 is 47/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 50 × 36 = 1800,
   20/50 = 20 × 36/50 × 36 = 720/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   84/72 = 84 × 25/72 × 25 = 2100/1800
4. Add the two like fractions:
   720/1800 + 2100/1800 = 720 + 2100/1800 = 2820/1800
5. 2820/1800 simplified gives 47/30
6. So, 20/50 + 84/72 = 47/30
   In mixed form: 117/30

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