Answers

Add 5/4 and 8/15

1^st number: 1 1/4, 2^nd number: 8/15

5/4 + 8/15 is 107/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 15 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 4 × 15 = 60,
   5/4 = 5 × 15/4 × 15 = 75/60
3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
   8/15 = 8 × 4/15 × 4 = 32/60
4. Add the two like fractions:
   75/60 + 32/60 = 75 + 32/60 = 107/60
5. So, 5/4 + 8/15 = 107/60
   In mixed form: 147/60

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