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Add 21/28 and 10/16

21/28 + 10/16 is 11/8.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 112
  2. For the 1st fraction, since 28 × 4 = 112,
    21/28 = 21 × 4/28 × 4 = 84/112
  3. Likewise, for the 2nd fraction, since 16 × 7 = 112,
    10/16 = 10 × 7/16 × 7 = 70/112
  4. Add the two like fractions:
    84/112 + 70/112 = 84 + 70/112 = 154/112
  5. 154/112 simplified gives 11/8
  6. So, 21/28 + 10/16 = 11/8
    In mixed form: 13/8

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