Answers

Subtract 21/54 from 98/7

1^st number: 14 0/7, 2^nd number: 21/54

98/7 - 21/54 is 245/18.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 54 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 7 × 54 = 378,
   98/7 = 98 × 54/7 × 54 = 5292/378
3. Likewise, for the 2nd fraction, since 54 × 7 = 378,
   21/54 = 21 × 7/54 × 7 = 147/378
4. Subtract the two like fractions:
   5292/378 - 147/378 = 5292 - 147/378 = 5145/378
5. After reducing the fraction, the answer is 245/18
6. In mixed form: 1311/18

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