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Subtract 1/36 from 90/70

1st number: 1 20/70, 2nd number: 1/36

90/70 - 1/36 is 317/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 36 is 1260
  2. For the 1st fraction, since 70 × 18 = 1260,
    90/70 = 90 × 18/70 × 18 = 1620/1260
  3. Likewise, for the 2nd fraction, since 36 × 35 = 1260,
    1/36 = 1 × 35/36 × 35 = 35/1260
  4. Subtract the two fractions:
    1620/1260 - 35/1260 = 1620 - 35/1260 = 1585/1260
  5. After reducing the fraction, the answer is 317/252
  6. In mixed form: 165/252

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