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Subtract 5/45 from 49/21

1st number: 2 7/21, 2nd number: 5/45

49/21 - 5/45 is 20/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 45 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 21 × 15 = 315,
    49/21 = 49 × 15/21 × 15 = 735/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    5/45 = 5 × 7/45 × 7 = 35/315
  4. Subtract the two like fractions:
    735/315 - 35/315 = 735 - 35/315 = 700/315
  5. After reducing the fraction, the answer is 20/9
  6. In mixed form: 22/9

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