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Add 16/21 and 20/15

1st number: 16/21, 2nd number: 1 5/15

16/21 + 20/15 is 44/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 15 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 21 × 5 = 105,
    16/21 = 16 × 5/21 × 5 = 80/105
  3. Likewise, for the 2nd fraction, since 15 × 7 = 105,
    20/15 = 20 × 7/15 × 7 = 140/105
  4. Add the two like fractions:
    80/105 + 140/105 = 80 + 140/105 = 220/105
  5. 220/105 simplified gives 44/21
  6. So, 16/21 + 20/15 = 44/21
    In mixed form: 22/21

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