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Subtract 40/70 from 20/9

1st number: 2 2/9, 2nd number: 40/70

20/9 - 40/70 is 104/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 70 is 630
  2. For the 1st fraction, since 9 × 70 = 630,
    20/9 = 20 × 70/9 × 70 = 1400/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    40/70 = 40 × 9/70 × 9 = 360/630
  4. Subtract the two fractions:
    1400/630 - 360/630 = 1400 - 360/630 = 1040/630
  5. After reducing the fraction, the answer is 104/63
  6. In mixed form: 141/63

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