Answers

Add 60/4 and 21/20

1^st number: 15 0/4, 2^nd number: 1 1/20

60/4 + 21/20 is 321/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 4 × 5 = 20,
   60/4 = 60 × 5/4 × 5 = 300/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   21/20 = 21 × 1/20 × 1 = 21/20
4. Add the two like fractions:
   300/20 + 21/20 = 300 + 21/20 = 321/20
5. So, 60/4 + 21/20 = 321/20
   In mixed form: 161/20

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