Answers

Subtract 15/54 from 98/20

1^st number: 4 18/20, 2^nd number: 15/54

98/20 - 15/54 is 208/45.

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,
   98/20 = 98 × 27/20 × 27 = 2646/540
3. Likewise, for the 2nd fraction, since 54 × 10 = 540,
   15/54 = 15 × 10/54 × 10 = 150/540
4. Subtract the two like fractions:
   2646/540 - 150/540 = 2646 - 150/540 = 2496/540
5. After reducing the fraction, the answer is 208/45
6. In mixed form: 428/45

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