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Add 28/45 and 42/18

1st number: 28/45, 2nd number: 2 6/18

28/45 + 42/18 is 133/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 18 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 45 × 2 = 90,
    28/45 = 28 × 2/45 × 2 = 56/90
  3. Likewise, for the 2nd fraction, since 18 × 5 = 90,
    42/18 = 42 × 5/18 × 5 = 210/90
  4. Add the two like fractions:
    56/90 + 210/90 = 56 + 210/90 = 266/90
  5. 266/90 simplified gives 133/45
  6. So, 28/45 + 42/18 = 133/45
    In mixed form: 243/45

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