Answers

Subtract 15/8 from 28/15

1^st number: 1 13/15, 2^nd number: 1 7/8

28/15 - 15/8 is -1/120.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 8 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 15 × 8 = 120,
   28/15 = 28 × 8/15 × 8 = 224/120
3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
   15/8 = 15 × 15/8 × 15 = 225/120
4. Subtract the two like fractions:
   224/120 - 225/120 = 224 - 225/120 = -1/120

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