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Subtract 7/80 from 49/21

1st number: 2 7/21, 2nd number: 7/80

49/21 - 7/80 is 539/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 80 is 1680
  2. For the 1st fraction, since 21 × 80 = 1680,
    49/21 = 49 × 80/21 × 80 = 3920/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    7/80 = 7 × 21/80 × 21 = 147/1680
  4. Subtract the two fractions:
    3920/1680 - 147/1680 = 3920 - 147/1680 = 3773/1680
  5. After reducing the fraction, the answer is 539/240
  6. In mixed form: 259/240

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