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Compare 18/28 and 7/90

18/28 is greater than 7/90

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    18/28 = 18 × 45/28 × 45 = 810/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    7/90 = 7 × 14/90 × 14 = 98/1260
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 810/1260 > 98/1260 or 18/28 > 7/90

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