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Add 54/21 and 70/16

1st number: 2 12/21, 2nd number: 4 6/16

54/21 + 70/16 is 389/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 16 is 336
  2. For the 1st fraction, since 21 × 16 = 336,
    54/21 = 54 × 16/21 × 16 = 864/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    70/16 = 70 × 21/16 × 21 = 1470/336
  4. Add the two fractions:
    864/336 + 1470/336 = 864 + 1470/336 = 2334/336
  5. After reducing the fraction, the answer is 389/56
  6. In mixed form: 653/56

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