Answers

Subtract 2/45 from 84/20

1^st number: 4 4/20, 2^nd number: 2/45

84/20 - 2/45 is 187/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 45 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 45 × 4 = 180,
   2/45 = 2 × 4/45 × 4 = 8/180
4. Subtract the two like fractions:
   756/180 - 8/180 = 756 - 8/180 = 748/180
5. After reducing the fraction, the answer is 187/45
6. In mixed form: 47/45

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