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Add 18/10 and 7/4

1st number: 1 8/10, 2nd number: 1 3/4

18/10 + 7/4 is 71/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 4 is 20
  2. For the 1st fraction, since 10 × 2 = 20,
    18/10 = 18 × 2/10 × 2 = 36/20
  3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
    7/4 = 7 × 5/4 × 5 = 35/20
  4. Add the two fractions:
    36/20 + 35/20 = 36 + 35/20 = 71/20
  5. In mixed form: 311/20

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