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Add 20/42 and 35/15

1st number: 20/42, 2nd number: 2 5/15

20/42 + 35/15 is 59/21.

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,
    20/42 = 20 × 5/42 × 5 = 100/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    35/15 = 35 × 14/15 × 14 = 490/210
  4. Add the two like fractions:
    100/210 + 490/210 = 100 + 490/210 = 590/210
  5. 590/210 simplified gives 59/21
  6. So, 20/42 + 35/15 = 59/21
    In mixed form: 217/21

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