Answers

Subtract 49/18 from 84/20

1^st number: 4 4/20, 2^nd number: 2 13/18

84/20 - 49/18 is 133/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 18 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 18 × 10 = 180,
   49/18 = 49 × 10/18 × 10 = 490/180
4. Subtract the two like fractions:
   756/180 - 490/180 = 756 - 490/180 = 266/180
5. After reducing the fraction, the answer is 133/90
6. In mixed form: 143/90

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