Answers

Subtract 50/12 from 28/15

1^st number: 1 13/15, 2^nd number: 4 2/12

28/15 - 50/12 is -23/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   28/15 = 28 × 4/15 × 4 = 112/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   50/12 = 50 × 5/12 × 5 = 250/60
4. Subtract the two like fractions:
   112/60 - 250/60 = 112 - 250/60 = -138/60
5. After reducing the fraction, the answer is -23/10

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