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Compare 21/6 and 5/40

1st number: 3 3/6, 2nd number: 5/40

21/6 is greater than 5/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 6 and 40 is 120
  2. For the 1st fraction, since 6 × 20 = 120,
    21/6 = 21 × 20/6 × 20 = 420/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    5/40 = 5 × 3/40 × 3 = 15/120
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 420/120 > 15/120 or 21/6 > 5/40

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