Answers

Subtract 4/84 from 8/10

8/10 - 4/84 is 79/105.

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,
   8/10 = 8 × 42/10 × 42 = 336/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   4/84 = 4 × 5/84 × 5 = 20/420
4. Subtract the two like fractions:
   336/420 - 20/420 = 336 - 20/420 = 316/420
5. After reducing the fraction, the answer is 79/105

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