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Add 42/3 and 21/15

1st number: 14 0/3, 2nd number: 1 6/15

42/3 + 21/15 is 77/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 15 is 15

    Next, find the equivalent fraction of both fractional numbers with denominator 15
  2. For the 1st fraction, since 3 × 5 = 15,
    42/3 = 42 × 5/3 × 5 = 210/15
  3. Likewise, for the 2nd fraction, since 15 × 1 = 15,
    21/15 = 21 × 1/15 × 1 = 21/15
  4. Add the two like fractions:
    210/15 + 21/15 = 210 + 21/15 = 231/15
  5. 231/15 simplified gives 77/5
  6. So, 42/3 + 21/15 = 77/5
    In mixed form: 152/5

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