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Add 7/4 and 30/40

1st number: 1 3/4, 2nd number: 30/40

7/4 + 30/40 is 5/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 40 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 4 × 10 = 40,
    7/4 = 7 × 10/4 × 10 = 70/40
  3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
    30/40 = 30 × 1/40 × 1 = 30/40
  4. Add the two like fractions:
    70/40 + 30/40 = 70 + 30/40 = 100/40
  5. 100/40 simplified gives 5/2
  6. So, 7/4 + 30/40 = 5/2
    In mixed form: 21/2

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