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Add 30/42 and 10/18

30/42 + 10/18 is 80/63.

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,
    30/42 = 30 × 3/42 × 3 = 90/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    10/18 = 10 × 7/18 × 7 = 70/126
  4. Add the two fractions:
    90/126 + 70/126 = 90 + 70/126 = 160/126
  5. 160/126 simplified gives 80/63
  6. So, 30/42 + 10/18 = 80/63
    In mixed form: 117/63

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