Answers

Subtract 18/60 from 15/42

15/42 - 18/60 is 2/35.

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,
   15/42 = 15 × 10/42 × 10 = 150/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   18/60 = 18 × 7/60 × 7 = 126/420
4. Subtract the two like fractions:
   150/420 - 126/420 = 150 - 126/420 = 24/420
5. After reducing the fraction, the answer is 2/35

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