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Compare 12/63 and 90/70

1st number: 12/63, 2nd number: 1 20/70

12/63 is smaller than 90/70

Steps for comparing fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 70 is 630
  2. For the 1st fraction, since 63 × 10 = 630,
    12/63 = 12 × 10/63 × 10 = 120/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    90/70 = 90 × 9/70 × 9 = 810/630
  4. Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
  5. 120/630 < 810/630 or 12/63 < 90/70

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