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Subtract 70/63 from 2/3

1st number: 2/3, 2nd number: 1 7/63

2/3 - 70/63 is -4/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 63 is 63
  2. For the 1st fraction, since 3 × 21 = 63,
    2/3 = 2 × 21/3 × 21 = 42/63
  3. Likewise, for the 2nd fraction, since 63 × 1 = 63,
    70/63 = 70 × 1/63 × 1 = 70/63
  4. Subtract the two fractions:
    42/63 - 70/63 = 42 - 70/63 = -28/63
  5. After reducing the fraction, the answer is -4/9

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