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Subtract 7/16 from 21/10

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

21/10 - 7/16 is 133/80.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 10 × 8 = 80,
    21/10 = 21 × 8/10 × 8 = 168/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    7/16 = 7 × 5/16 × 5 = 35/80
  4. Subtract the two like fractions:
    168/80 - 35/80 = 168 - 35/80 = 133/80
  5. In mixed form: 153/80

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