Answers

Subtract 7/20 from 84/54

1^st number: 1 30/54, 2^nd number: 7/20

84/54 - 7/20 is 217/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   84/54 = 84 × 10/54 × 10 = 840/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   7/20 = 7 × 27/20 × 27 = 189/540
4. Subtract the two like fractions:
   840/540 - 189/540 = 840 - 189/540 = 651/540
5. After reducing the fraction, the answer is 217/180
6. In mixed form: 137/180

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