Answers

Add 20/36 and 21/60

20/36 + 21/60 is 163/180.

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,
   20/36 = 20 × 5/36 × 5 = 100/180
3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
   21/60 = 21 × 3/60 × 3 = 63/180
4. Add the two like fractions:
   100/180 + 63/180 = 100 + 63/180 = 163/180
5. So, 20/36 + 21/60 = 163/180

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