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Compare 42/48 and 21/25

42/48 is greater than 21/25

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 25 is 1200
  2. For the 1st fraction, since 48 × 25 = 1200,
    42/48 = 42 × 25/48 × 25 = 1050/1200
  3. Likewise, for the 2nd fraction, since 25 × 48 = 1200,
    21/25 = 21 × 48/25 × 48 = 1008/1200
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 1050/1200 > 1008/1200 or 42/48 > 21/25

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