Answers

Add 45/20 and 25/72

1^st number: 2 5/20, 2^nd number: 25/72

45/20 + 25/72 is 187/72.

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,
   45/20 = 45 × 18/20 × 18 = 810/360
3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
   25/72 = 25 × 5/72 × 5 = 125/360
4. Add the two like fractions:
   810/360 + 125/360 = 810 + 125/360 = 935/360
5. 935/360 simplified gives 187/72
6. So, 45/20 + 25/72 = 187/72
   In mixed form: 243/72

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