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Subtract 70/45 from 42/70

1st number: 42/70, 2nd number: 1 25/45

42/70 - 70/45 is -43/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 45 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    42/70 = 42 × 9/70 × 9 = 378/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    70/45 = 70 × 14/45 × 14 = 980/630
  4. Subtract the two fractions:
    378/630 - 980/630 = 378 - 980/630 = -602/630
  5. After reducing the fraction, the answer is -43/45

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