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Compare 1/18 and 21/56

1/18 is smaller than 21/56

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 56 is 504
  2. For the 1st fraction, since 18 × 28 = 504,
    1/18 = 1 × 28/18 × 28 = 28/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    21/56 = 21 × 9/56 × 9 = 189/504
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 28/504 < 189/504 or 1/18 < 21/56

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