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Subtract 21/10 from 7/48

1st number: 7/48, 2nd number: 2 1/10

7/48 - 21/10 is -469/240.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 10 is 240

    Next, find the equivalent fraction of both fractional numbers with denominator 240
  2. For the 1st fraction, since 48 × 5 = 240,
    7/48 = 7 × 5/48 × 5 = 35/240
  3. Likewise, for the 2nd fraction, since 10 × 24 = 240,
    21/10 = 21 × 24/10 × 24 = 504/240
  4. Subtract the two like fractions:
    35/240 - 504/240 = 35 - 504/240 = -469/240

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