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Subtract 80/70 from 64/45

1st number: 1 19/45, 2nd number: 1 10/70

64/45 - 80/70 is 88/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630
  2. For the 1st fraction, since 45 × 14 = 630,
    64/45 = 64 × 14/45 × 14 = 896/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    80/70 = 80 × 9/70 × 9 = 720/630
  4. Subtract the two fractions:
    896/630 - 720/630 = 896 - 720/630 = 176/630
  5. After reducing the fraction, the answer is 88/315

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