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Subtract 48/70 from 32/90

32/90 - 48/70 is -104/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    32/90 = 32 × 7/90 × 7 = 224/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    48/70 = 48 × 9/70 × 9 = 432/630
  4. Subtract the two fractions:
    224/630 - 432/630 = 224 - 432/630 = -208/630
  5. After reducing the fraction, the answer is -104/315

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