Answers

Add 80/15 and 63/60

1^st number: 5 5/15, 2^nd number: 1 3/60

80/15 + 63/60 is 383/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 60 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   80/15 = 80 × 4/15 × 4 = 320/60
3. Likewise, for the 2nd fraction, since 60 × 1 = 60,
   63/60 = 63 × 1/60 × 1 = 63/60
4. Add the two like fractions:
   320/60 + 63/60 = 320 + 63/60 = 383/60
5. So, 80/15 + 63/60 = 383/60
   In mixed form: 623/60

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