Answers

Subtract 70/84 from 98/90

1^st number: 1 8/90, 2^nd number: 70/84

98/90 - 70/84 is 23/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 84 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 90 × 14 = 1260,
   98/90 = 98 × 14/90 × 14 = 1372/1260
3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
   70/84 = 70 × 15/84 × 15 = 1050/1260
4. Subtract the two like fractions:
   1372/1260 - 1050/1260 = 1372 - 1050/1260 = 322/1260
5. After reducing the fraction, the answer is 23/90

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