Answers

Subtract 10/84 from 3/10

3/10 - 10/84 is 19/105.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 10 × 42 = 420,
   3/10 = 3 × 42/10 × 42 = 126/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   10/84 = 10 × 5/84 × 5 = 50/420
4. Subtract the two like fractions:
   126/420 - 50/420 = 126 - 50/420 = 76/420
5. After reducing the fraction, the answer is 19/105

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