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Add 25/15 and 1/42

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

25/15 + 1/42 is 71/42.

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,
    25/15 = 25 × 14/15 × 14 = 350/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    1/42 = 1 × 5/42 × 5 = 5/210
  4. Add the two like fractions:
    350/210 + 5/210 = 350 + 5/210 = 355/210
  5. 355/210 simplified gives 71/42
  6. So, 25/15 + 1/42 = 71/42
    In mixed form: 129/42

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