Answers

Subtract 98/80 from 14/90

1^st number: 14/90, 2^nd number: 1 18/80

14/90 - 98/80 is -77/72.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 90 × 8 = 720,
   14/90 = 14 × 8/90 × 8 = 112/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   98/80 = 98 × 9/80 × 9 = 882/720
4. Subtract the two like fractions:
   112/720 - 882/720 = 112 - 882/720 = -770/720
5. After reducing the fraction, the answer is -77/72

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