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Add 10/42 and 21/18

1st number: 10/42, 2nd number: 1 3/18

10/42 + 21/18 is 59/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 18 is 126
  2. For the 1st fraction, since 42 × 3 = 126,
    10/42 = 10 × 3/42 × 3 = 30/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    21/18 = 21 × 7/18 × 7 = 147/126
  4. Add the two fractions:
    30/126 + 147/126 = 30 + 147/126 = 177/126
  5. After reducing the fraction, the answer is 59/42
  6. In mixed form: 117/42

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