Answers

Subtract 12/60 from 20/42

20/42 - 12/60 is 29/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   20/42 = 20 × 10/42 × 10 = 200/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   12/60 = 12 × 7/60 × 7 = 84/420
4. Subtract the two like fractions:
   200/420 - 84/420 = 200 - 84/420 = 116/420
5. After reducing the fraction, the answer is 29/105

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