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Add 7/4 and 2/5

1st number: 1 3/4, 2nd number: 2/5

7/4 + 2/5 is 43/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 5 is 20
  2. For the 1st fraction, since 4 × 5 = 20,
    7/4 = 7 × 5/4 × 5 = 35/20
  3. Likewise, for the 2nd fraction, since 5 × 4 = 20,
    2/5 = 2 × 4/5 × 4 = 8/20
  4. Add the two fractions:
    35/20 + 8/20 = 35 + 8/20 = 43/20
  5. In mixed form: 23/20

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