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Compare 12/5 and 18/42

1st number: 2 2/5, 2nd number: 18/42

12/5 is greater than 18/42

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210
  2. For the 1st fraction, since 5 × 42 = 210,
    12/5 = 12 × 42/5 × 42 = 504/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    18/42 = 18 × 5/42 × 5 = 90/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 504/210 > 90/210 or 12/5 > 18/42

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