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Subtract 20/35 from 5/4

1st number: 1 1/4, 2nd number: 20/35

5/4 - 20/35 is 19/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 35 is 140
  2. For the 1st fraction, since 4 × 35 = 140,
    5/4 = 5 × 35/4 × 35 = 175/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    20/35 = 20 × 4/35 × 4 = 80/140
  4. Subtract the two fractions:
    175/140 - 80/140 = 175 - 80/140 = 95/140
  5. After reducing the fraction, the answer is 19/28

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