Answers

Add 72/36 and 21/60

1^st number: 2 0/36, 2^nd number: 21/60

72/36 + 21/60 is 47/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 60 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 36 × 5 = 180,
   72/36 = 72 × 5/36 × 5 = 360/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   21/60 = 21 × 3/60 × 3 = 63/180
4. Add the two like fractions:
   360/180 + 63/180 = 360 + 63/180 = 423/180
5. 423/180 simplified gives 47/20
6. So, 72/36 + 21/60 = 47/20
   In mixed form: 27/20

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