Answers

Subtract 64/30 from 81/50

1^st number: 1 31/50, 2^nd number: 2 4/30

81/50 - 64/30 is -77/150.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 30 is 150
   
   Next, find the equivalent fraction of both fractional numbers with denominator 150
2. For the 1st fraction, since 50 × 3 = 150,
   81/50 = 81 × 3/50 × 3 = 243/150
3. Likewise, for the 2nd fraction, since 30 × 5 = 150,
   64/30 = 64 × 5/30 × 5 = 320/150
4. Subtract the two like fractions:
   243/150 - 320/150 = 243 - 320/150 = -77/150

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