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Add 12/56 and 21/5

1st number: 12/56, 2nd number: 4 1/5

12/56 + 21/5 is 309/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 5 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    12/56 = 12 × 5/56 × 5 = 60/280
  3. Likewise, for the 2nd fraction, since 5 × 56 = 280,
    21/5 = 21 × 56/5 × 56 = 1176/280
  4. Add the two like fractions:
    60/280 + 1176/280 = 60 + 1176/280 = 1236/280
  5. 1236/280 simplified gives 309/70
  6. So, 12/56 + 21/5 = 309/70
    In mixed form: 429/70

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