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Add 21/20 and 12/56

1st number: 1 1/20, 2nd number: 12/56

21/20 + 12/56 is 177/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 56 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 20 × 14 = 280,
    21/20 = 21 × 14/20 × 14 = 294/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    12/56 = 12 × 5/56 × 5 = 60/280
  4. Add the two like fractions:
    294/280 + 60/280 = 294 + 60/280 = 354/280
  5. 354/280 simplified gives 177/140
  6. So, 21/20 + 12/56 = 177/140
    In mixed form: 137/140

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