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Add 30/4 and 40/90

1st number: 7 2/4, 2nd number: 40/90

30/4 + 40/90 is 143/18.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 4 × 45 = 180,
    30/4 = 30 × 45/4 × 45 = 1350/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    40/90 = 40 × 2/90 × 2 = 80/180
  4. Add the two like fractions:
    1350/180 + 80/180 = 1350 + 80/180 = 1430/180
  5. 1430/180 simplified gives 143/18
  6. So, 30/4 + 40/90 = 143/18
    In mixed form: 717/18

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