Answers

Add 20/25 and 84/72

1^st number: 20/25, 2^nd number: 1 12/72

20/25 + 84/72 is 59/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 72 is 1800
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1800
2. For the 1st fraction, since 25 × 72 = 1800,
   20/25 = 20 × 72/25 × 72 = 1440/1800
3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
   84/72 = 84 × 25/72 × 25 = 2100/1800
4. Add the two like fractions:
   1440/1800 + 2100/1800 = 1440 + 2100/1800 = 3540/1800
5. 3540/1800 simplified gives 59/30
6. So, 20/25 + 84/72 = 59/30
   In mixed form: 129/30

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