Answers

Add 21/60 and 8/45

21/60 + 8/45 is 19/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 60 × 3 = 180,
   21/60 = 21 × 3/60 × 3 = 63/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   8/45 = 8 × 4/45 × 4 = 32/180
4. Add the two like fractions:
   63/180 + 32/180 = 63 + 32/180 = 95/180
5. 95/180 simplified gives 19/36
6. So, 21/60 + 8/45 = 19/36

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