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Add 81/56 and 21/10

1st number: 1 25/56, 2nd number: 2 1/10

81/56 + 21/10 is 993/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 10 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    81/56 = 81 × 5/56 × 5 = 405/280
  3. Likewise, for the 2nd fraction, since 10 × 28 = 280,
    21/10 = 21 × 28/10 × 28 = 588/280
  4. Add the two like fractions:
    405/280 + 588/280 = 405 + 588/280 = 993/280
  5. So, 81/56 + 21/10 = 993/280
    In mixed form: 3153/280

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