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Subtract 72/10 from 4/16

1st number: 4/16, 2nd number: 7 2/10

4/16 - 72/10 is -139/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 10 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    4/16 = 4 × 5/16 × 5 = 20/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    72/10 = 72 × 8/10 × 8 = 576/80
  4. Subtract the two like fractions:
    20/80 - 576/80 = 20 - 576/80 = -556/80
  5. After reducing the fraction, the answer is -139/20

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