Answers

Subtract 6/21 from 6/60

6/60 - 6/21 is -13/70.

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,
   6/60 = 6 × 7/60 × 7 = 42/420
3. Likewise, for the 2nd fraction, since 21 × 20 = 420,
   6/21 = 6 × 20/21 × 20 = 120/420
4. Subtract the two like fractions:
   42/420 - 120/420 = 42 - 120/420 = -78/420
5. After reducing the fraction, the answer is -13/70

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