Answers

Subtract 49/20 from 84/10

1^st number: 8 4/10, 2^nd number: 2 9/20

84/10 - 49/20 is 119/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   84/10 = 84 × 2/10 × 2 = 168/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   49/20 = 49 × 1/20 × 1 = 49/20
4. Subtract the two like fractions:
   168/20 - 49/20 = 168 - 49/20 = 119/20
5. In mixed form: 519/20

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