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Subtract 2/16 from 21/15

1st number: 1 6/15, 2nd number: 2/16

21/15 - 2/16 is 51/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 16 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 15 × 16 = 240,
    21/15 = 21 × 16/15 × 16 = 336/240
  3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
    2/16 = 2 × 15/16 × 15 = 30/240
  4. Subtract the two like fractions:
    336/240 - 30/240 = 336 - 30/240 = 306/240
  5. After reducing the fraction, the answer is 51/40
  6. In mixed form: 111/40

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