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Subtract 75/10 from 70/49

1st number: 1 21/49, 2nd number: 7 5/10

70/49 - 75/10 is -85/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 10 is 490
  2. For the 1st fraction, since 49 × 10 = 490,
    70/49 = 70 × 10/49 × 10 = 700/490
  3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
    75/10 = 75 × 49/10 × 49 = 3675/490
  4. Subtract the two fractions:
    700/490 - 3675/490 = 700 - 3675/490 = -2975/490
  5. After reducing the fraction, the answer is -85/14

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