Answers

Add 21/20 and 40/6

1^st number: 1 1/20, 2^nd number: 6 4/6

21/20 + 40/6 is 463/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 6 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   21/20 = 21 × 3/20 × 3 = 63/60
3. Likewise, for the 2nd fraction, since 6 × 10 = 60,
   40/6 = 40 × 10/6 × 10 = 400/60
4. Add the two like fractions:
   63/60 + 400/60 = 63 + 400/60 = 463/60
5. So, 21/20 + 40/6 = 463/60
   In mixed form: 743/60

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