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Answers.everydaycalculation.com » Compare fractions

Compare 18/35 and 21/30

18/35 is smaller than 21/30

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 35 × 6 = 210,
    18/35 = 18 × 6/35 × 6 = 108/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    21/30 = 21 × 7/30 × 7 = 147/210
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 108/210 < 147/210 or 18/35 < 21/30

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