Answers

Subtract 9/84 from 18/10

1^st number: 1 8/10, 2^nd number: 9/84

18/10 - 9/84 is 237/140.

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,
   18/10 = 18 × 42/10 × 42 = 756/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   9/84 = 9 × 5/84 × 5 = 45/420
4. Subtract the two like fractions:
   756/420 - 45/420 = 756 - 45/420 = 711/420
5. After reducing the fraction, the answer is 237/140
6. In mixed form: 197/140

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