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Subtract 21/45 from 25/16

1st number: 1 9/16, 2nd number: 21/45

25/16 - 21/45 is 263/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 16 × 45 = 720,
    25/16 = 25 × 45/16 × 45 = 1125/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    21/45 = 21 × 16/45 × 16 = 336/720
  4. Subtract the two like fractions:
    1125/720 - 336/720 = 1125 - 336/720 = 789/720
  5. After reducing the fraction, the answer is 263/240
  6. In mixed form: 123/240

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