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Compare 21/63 and 24/40

21/63 is smaller than 24/40

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 40 is 2520
  2. For the 1st fraction, since 63 × 40 = 2520,
    21/63 = 21 × 40/63 × 40 = 840/2520
  3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
    24/40 = 24 × 63/40 × 63 = 1512/2520
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 840/2520 < 1512/2520 or 21/63 < 24/40

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