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Add 2/15 and 10/42

2/15 + 10/42 is 13/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    2/15 = 2 × 14/15 × 14 = 28/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    10/42 = 10 × 5/42 × 5 = 50/210
  4. Add the two like fractions:
    28/210 + 50/210 = 28 + 50/210 = 78/210
  5. 78/210 simplified gives 13/35
  6. So, 2/15 + 10/42 = 13/35

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