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Add 28/21 and 16/10

1st number: 1 7/21, 2nd number: 1 6/10

28/21 + 16/10 is 44/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 10 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 21 × 10 = 210,
    28/21 = 28 × 10/21 × 10 = 280/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    16/10 = 16 × 21/10 × 21 = 336/210
  4. Add the two like fractions:
    280/210 + 336/210 = 280 + 336/210 = 616/210
  5. 616/210 simplified gives 44/15
  6. So, 28/21 + 16/10 = 44/15
    In mixed form: 214/15

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