Answers

Subtract 10/84 from 2/30

2/30 - 10/84 is -11/210.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 30 × 14 = 420,
   2/30 = 2 × 14/30 × 14 = 28/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   10/84 = 10 × 5/84 × 5 = 50/420
4. Subtract the two like fractions:
   28/420 - 50/420 = 28 - 50/420 = -22/420
5. After reducing the fraction, the answer is -11/210

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