Answers

Subtract 98/90 from 45/7

1^st number: 6 3/7, 2^nd number: 1 8/90

45/7 - 98/90 is 1682/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 7 × 90 = 630,
   45/7 = 45 × 90/7 × 90 = 4050/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   98/90 = 98 × 7/90 × 7 = 686/630
4. Subtract the two like fractions:
   4050/630 - 686/630 = 4050 - 686/630 = 3364/630
5. After reducing the fraction, the answer is 1682/315
6. In mixed form: 5107/315

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