Answers

Add 28/5 and 15/8

1^st number: 5 3/5, 2^nd number: 1 7/8

28/5 + 15/8 is 299/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 8 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 5 × 8 = 40,
   28/5 = 28 × 8/5 × 8 = 224/40
3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
   15/8 = 15 × 5/8 × 5 = 75/40
4. Add the two like fractions:
   224/40 + 75/40 = 224 + 75/40 = 299/40
5. So, 28/5 + 15/8 = 299/40
   In mixed form: 719/40

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