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Add 42/10 and 25/42

1st number: 4 2/10, 2nd number: 25/42

42/10 + 25/42 is 1007/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 42 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    42/10 = 42 × 21/10 × 21 = 882/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    25/42 = 25 × 5/42 × 5 = 125/210
  4. Add the two fractions:
    882/210 + 125/210 = 882 + 125/210 = 1007/210
  5. In mixed form: 4167/210

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