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Add 90/30 and 75/42

1st number: 3 0/30, 2nd number: 1 33/42

90/30 + 75/42 is 67/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    90/30 = 90 × 7/30 × 7 = 630/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    75/42 = 75 × 5/42 × 5 = 375/210
  4. Add the two like fractions:
    630/210 + 375/210 = 630 + 375/210 = 1005/210
  5. 1005/210 simplified gives 67/14
  6. So, 90/30 + 75/42 = 67/14
    In mixed form: 411/14

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