Answers

Subtract 4/20 from 80/54

1^st number: 1 26/54, 2^nd number: 4/20

80/54 - 4/20 is 173/135.

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,
   80/54 = 80 × 10/54 × 10 = 800/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   4/20 = 4 × 27/20 × 27 = 108/540
4. Subtract the two like fractions:
   800/540 - 108/540 = 800 - 108/540 = 692/540
5. After reducing the fraction, the answer is 173/135
6. In mixed form: 138/135

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