Answers

Add 28/8 and 63/60

1^st number: 3 4/8, 2^nd number: 1 3/60

28/8 + 63/60 is 91/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 8 × 15 = 120,
   28/8 = 28 × 15/8 × 15 = 420/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   63/60 = 63 × 2/60 × 2 = 126/120
4. Add the two like fractions:
   420/120 + 126/120 = 420 + 126/120 = 546/120
5. 546/120 simplified gives 91/20
6. So, 28/8 + 63/60 = 91/20
   In mixed form: 411/20

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