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Compare 42/15 and 8/20

1st number: 2 12/15, 2nd number: 8/20

42/15 is greater than 8/20

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 20 is 60
  2. For the 1st fraction, since 15 × 4 = 60,
    42/15 = 42 × 4/15 × 4 = 168/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    8/20 = 8 × 3/20 × 3 = 24/60
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 168/60 > 24/60 or 42/15 > 8/20

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