Answers

Subtract 80/54 from 7/20

1^st number: 7/20, 2^nd number: 1 26/54

7/20 - 80/54 is -611/540.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 54 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 20 × 27 = 540,
   7/20 = 7 × 27/20 × 27 = 189/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   80/54 = 80 × 10/54 × 10 = 800/540
4. Subtract the two like fractions:
   189/540 - 800/540 = 189 - 800/540 = -611/540

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