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Add 28/5 and 42/45

1st number: 5 3/5, 2nd number: 42/45

28/5 + 42/45 is 98/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 45 is 45

    Next, find the equivalent fraction of both fractional numbers with denominator 45
  2. For the 1st fraction, since 5 × 9 = 45,
    28/5 = 28 × 9/5 × 9 = 252/45
  3. Likewise, for the 2nd fraction, since 45 × 1 = 45,
    42/45 = 42 × 1/45 × 1 = 42/45
  4. Add the two like fractions:
    252/45 + 42/45 = 252 + 42/45 = 294/45
  5. 294/45 simplified gives 98/15
  6. So, 28/5 + 42/45 = 98/15
    In mixed form: 68/15

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