Answers

Subtract 81/50 from 7/15

1^st number: 7/15, 2^nd number: 1 31/50

7/15 - 81/50 is -173/150.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 50 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 15 × 10 = 150,
   7/15 = 7 × 10/15 × 10 = 70/150
3. Likewise, for the 2nd fraction, since 50 × 3 = 150,
   81/50 = 81 × 3/50 × 3 = 243/150
4. Subtract the two like fractions:
   70/150 - 243/150 = 70 - 243/150 = -173/150

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