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Subtract 20/16 from 7/15

1st number: 7/15, 2nd number: 1 4/16

7/15 - 20/16 is -47/60.

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,
    7/15 = 7 × 16/15 × 16 = 112/240
  3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
    20/16 = 20 × 15/16 × 15 = 300/240
  4. Subtract the two like fractions:
    112/240 - 300/240 = 112 - 300/240 = -188/240
  5. After reducing the fraction, the answer is -47/60

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