Answers

Subtract 21/84 from 6/60

6/60 - 21/84 is -3/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   6/60 = 6 × 7/60 × 7 = 42/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   21/84 = 21 × 5/84 × 5 = 105/420
4. Subtract the two like fractions:
   42/420 - 105/420 = 42 - 105/420 = -63/420
5. After reducing the fraction, the answer is -3/20

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