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Add 42/30 and 8/18

1st number: 1 12/30, 2nd number: 8/18

42/30 + 8/18 is 83/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 30 × 3 = 90,
    42/30 = 42 × 3/30 × 3 = 126/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    8/18 = 8 × 5/18 × 5 = 40/90
  4. Add the two like fractions:
    126/90 + 40/90 = 126 + 40/90 = 166/90
  5. 166/90 simplified gives 83/45
  6. So, 42/30 + 8/18 = 83/45
    In mixed form: 138/45

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