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Add 21/18 and 18/10

1st number: 1 3/18, 2nd number: 1 8/10

21/18 + 18/10 is 89/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 10 is 90
  2. For the 1st fraction, since 18 × 5 = 90,
    21/18 = 21 × 5/18 × 5 = 105/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    18/10 = 18 × 9/10 × 9 = 162/90
  4. Add the two fractions:
    105/90 + 162/90 = 105 + 162/90 = 267/90
  5. After reducing the fraction, the answer is 89/30
  6. In mixed form: 229/30

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