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Add 28/15 and 98/90

1st number: 1 13/15, 2nd number: 1 8/90

28/15 + 98/90 is 133/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 90 is 90
  2. For the 1st fraction, since 15 × 6 = 90,
    28/15 = 28 × 6/15 × 6 = 168/90
  3. Likewise, for the 2nd fraction, since 90 × 1 = 90,
    98/90 = 98 × 1/90 × 1 = 98/90
  4. Add the two fractions:
    168/90 + 98/90 = 168 + 98/90 = 266/90
  5. 266/90 simplified gives 133/45
  6. So, 28/15 + 98/90 = 133/45
    In mixed form: 243/45

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