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Compare 3/42 and 8/10

3/42 is smaller than 8/10

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 10 is 210
  2. For the 1st fraction, since 42 × 5 = 210,
    3/42 = 3 × 5/42 × 5 = 15/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    8/10 = 8 × 21/10 × 21 = 168/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 15/210 < 168/210 or 3/42 < 8/10

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