Answers

Subtract 10/90 from 84/20

1^st number: 4 4/20, 2^nd number: 10/90

84/20 - 10/90 is 184/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   84/20 = 84 × 9/20 × 9 = 756/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   10/90 = 10 × 2/90 × 2 = 20/180
4. Subtract the two like fractions:
   756/180 - 20/180 = 756 - 20/180 = 736/180
5. After reducing the fraction, the answer is 184/45
6. In mixed form: 44/45

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