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Compare 40/50 and 45/21

1st number: 40/50, 2nd number: 2 3/21

40/50 is smaller than 45/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 21 is 1050
  2. For the 1st fraction, since 50 × 21 = 1050,
    40/50 = 40 × 21/50 × 21 = 840/1050
  3. Likewise, for the 2nd fraction, since 21 × 50 = 1050,
    45/21 = 45 × 50/21 × 50 = 2250/1050
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 840/1050 < 2250/1050 or 40/50 < 45/21

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