Answers

Subtract 3/60 from 8/21

8/21 - 3/60 is 139/420.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 21 × 20 = 420,
   8/21 = 8 × 20/21 × 20 = 160/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   3/60 = 3 × 7/60 × 7 = 21/420
4. Subtract the two like fractions:
   160/420 - 21/420 = 160 - 21/420 = 139/420

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