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Everydaycalculation.com » Answers » Compare fractions

Compare 15/12 and 8/7

1st number: 1 3/12, 2nd number: 1 1/7

15/12 is greater than 8/7

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 7 is 84
  2. For the 1st fraction, since 12 × 7 = 84,
    15/12 = 15 × 7/12 × 7 = 105/84
  3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
    8/7 = 8 × 12/7 × 12 = 96/84
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 105/84 > 96/84 or 15/12 > 8/7

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