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Compare 40/70 and 54/21

1st number: 40/70, 2nd number: 2 12/21

40/70 is smaller than 54/21

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 21 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    40/70 = 40 × 3/70 × 3 = 120/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    54/21 = 54 × 10/21 × 10 = 540/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 120/210 < 540/210 or 40/70 < 54/21

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