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Add 28/4 and 1/90

1st number: 7 0/4, 2nd number: 1/90

28/4 + 1/90 is 631/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 90 is 180
  2. For the 1st fraction, since 4 × 45 = 180,
    28/4 = 28 × 45/4 × 45 = 1260/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    1/90 = 1 × 2/90 × 2 = 2/180
  4. Add the two fractions:
    1260/180 + 2/180 = 1260 + 2/180 = 1262/180
  5. 1262/180 simplified gives 631/90
  6. So, 28/4 + 1/90 = 631/90
    In mixed form: 71/90

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