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Add 10/42 and 30/15

1st number: 10/42, 2nd number: 2 0/15

10/42 + 30/15 is 47/21.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    10/42 = 10 × 5/42 × 5 = 50/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    30/15 = 30 × 14/15 × 14 = 420/210
  4. Add the two like fractions:
    50/210 + 420/210 = 50 + 420/210 = 470/210
  5. 470/210 simplified gives 47/21
  6. So, 10/42 + 30/15 = 47/21
    In mixed form: 25/21

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