Answers

Subtract 64/30 from 21/50

1^st number: 21/50, 2^nd number: 2 4/30

21/50 - 64/30 is -257/150.

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,
   21/50 = 21 × 3/50 × 3 = 63/150
3. Likewise, for the 2nd fraction, since 30 × 5 = 150,
   64/30 = 64 × 5/30 × 5 = 320/150
4. Subtract the two like fractions:
   63/150 - 320/150 = 63 - 320/150 = -257/150

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