Answers

Subtract 50/21 from 9/60

1^st number: 9/60, 2^nd number: 2 8/21

9/60 - 50/21 is -937/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 21 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   9/60 = 9 × 7/60 × 7 = 63/420
3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
   50/21 = 50 × 20/21 × 20 = 1000/420
4. Subtract the two like fractions:
   63/420 - 1000/420 = 63 - 1000/420 = -937/420

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