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Compare 7/18 and 28/20

1st number: 7/18, 2nd number: 1 8/20

7/18 is smaller than 28/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 20 is 180
  2. For the 1st fraction, since 18 × 10 = 180,
    7/18 = 7 × 10/18 × 10 = 70/180
  3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
    28/20 = 28 × 9/20 × 9 = 252/180
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 70/180 < 252/180 or 7/18 < 28/20

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