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Add 18/15 and 42/14

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

18/15 + 42/14 is 21/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 14 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    18/15 = 18 × 14/15 × 14 = 252/210
  3. Likewise, for the 2nd fraction, since 14 × 15 = 210,
    42/14 = 42 × 15/14 × 15 = 630/210
  4. Add the two like fractions:
    252/210 + 630/210 = 252 + 630/210 = 882/210
  5. 882/210 simplified gives 21/5
  6. So, 18/15 + 42/14 = 21/5
    In mixed form: 41/5

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