Answers

Subtract 1/10 from 15/84

15/84 - 1/10 is 11/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 10 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   15/84 = 15 × 5/84 × 5 = 75/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   1/10 = 1 × 42/10 × 42 = 42/420
4. Subtract the two like fractions:
   75/420 - 42/420 = 75 - 42/420 = 33/420
5. After reducing the fraction, the answer is 11/140

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