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Subtract 80/70 from 48/90

1st number: 48/90, 2nd number: 1 10/70

48/90 - 80/70 is -64/105.

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,
    48/90 = 48 × 7/90 × 7 = 336/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    80/70 = 80 × 9/70 × 9 = 720/630
  4. Subtract the two fractions:
    336/630 - 720/630 = 336 - 720/630 = -384/630
  5. After reducing the fraction, the answer is -64/105

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