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Add 3/42 and 4/10

3/42 + 4/10 is 33/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 10 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    3/42 = 3 × 5/42 × 5 = 15/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    4/10 = 4 × 21/10 × 21 = 84/210
  4. Add the two like fractions:
    15/210 + 84/210 = 15 + 84/210 = 99/210
  5. 99/210 simplified gives 33/70
  6. So, 3/42 + 4/10 = 33/70

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