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Subtract 42/10 from 7/16

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

7/16 - 42/10 is -301/80.

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,
    7/16 = 7 × 5/16 × 5 = 35/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    42/10 = 42 × 8/10 × 8 = 336/80
  4. Subtract the two like fractions:
    35/80 - 336/80 = 35 - 336/80 = -301/80

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