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Subtract 1/70 from 63/4

1st number: 15 3/4, 2nd number: 1/70

63/4 - 1/70 is 2203/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 70 is 140
  2. For the 1st fraction, since 4 × 35 = 140,
    63/4 = 63 × 35/4 × 35 = 2205/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    1/70 = 1 × 2/70 × 2 = 2/140
  4. Subtract the two fractions:
    2205/140 - 2/140 = 2205 - 2/140 = 2203/140
  5. In mixed form: 15103/140

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