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Compare 42/98 and 30/80

42/98 is greater than 30/80

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 80 is 3920
  2. For the 1st fraction, since 98 × 40 = 3920,
    42/98 = 42 × 40/98 × 40 = 1680/3920
  3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
    30/80 = 30 × 49/80 × 49 = 1470/3920
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1680/3920 > 1470/3920 or 42/98 > 30/80

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