Answers

Subtract 98/45 from 75/84

1^st number: 75/84, 2^nd number: 2 8/45

75/84 - 98/45 is -1619/1260.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   75/84 = 75 × 15/84 × 15 = 1125/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   98/45 = 98 × 28/45 × 28 = 2744/1260
4. Subtract the two like fractions:
   1125/1260 - 2744/1260 = 1125 - 2744/1260 = -1619/1260

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