Answers

Subtract 98/45 from 20/7

1^st number: 2 6/7, 2^nd number: 2 8/45

20/7 - 98/45 is 214/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 7 × 45 = 315,
   20/7 = 20 × 45/7 × 45 = 900/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   98/45 = 98 × 7/45 × 7 = 686/315
4. Subtract the two like fractions:
   900/315 - 686/315 = 900 - 686/315 = 214/315

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