Answers

Subtract 2/10 from 54/84

54/84 - 2/10 is 31/70.

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,
   54/84 = 54 × 5/84 × 5 = 270/420
3. Likewise, for the 2nd fraction, since 10 × 42 = 420,
   2/10 = 2 × 42/10 × 42 = 84/420
4. Subtract the two like fractions:
   270/420 - 84/420 = 270 - 84/420 = 186/420
5. After reducing the fraction, the answer is 31/70

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