Answers

Subtract 81/84 from 84/10

1^st number: 8 4/10, 2^nd number: 81/84

84/10 - 81/84 is 1041/140.

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,
   84/10 = 84 × 42/10 × 42 = 3528/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   81/84 = 81 × 5/84 × 5 = 405/420
4. Subtract the two like fractions:
   3528/420 - 405/420 = 3528 - 405/420 = 3123/420
5. After reducing the fraction, the answer is 1041/140
6. In mixed form: 761/140

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