Answers

Add 21/20 and 8/30

1^st number: 1 1/20, 2^nd number: 8/30

21/20 + 8/30 is 79/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 30 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 30 × 2 = 60,
   8/30 = 8 × 2/30 × 2 = 16/60
4. Add the two like fractions:
   63/60 + 16/60 = 63 + 16/60 = 79/60
5. So, 21/20 + 8/30 = 79/60
   In mixed form: 119/60

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