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Add 70/16 and 81/28

1st number: 4 6/16, 2nd number: 2 25/28

70/16 + 81/28 is 407/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 28 is 112

    Next, find the equivalent fraction of both fractional numbers with denominator 112
  2. For the 1st fraction, since 16 × 7 = 112,
    70/16 = 70 × 7/16 × 7 = 490/112
  3. Likewise, for the 2nd fraction, since 28 × 4 = 112,
    81/28 = 81 × 4/28 × 4 = 324/112
  4. Add the two like fractions:
    490/112 + 324/112 = 490 + 324/112 = 814/112
  5. 814/112 simplified gives 407/56
  6. So, 70/16 + 81/28 = 407/56
    In mixed form: 715/56

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