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Add 2/28 and 1/90

2/28 + 1/90 is 26/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    2/28 = 2 × 45/28 × 45 = 90/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    1/90 = 1 × 14/90 × 14 = 14/1260
  4. Add the two fractions:
    90/1260 + 14/1260 = 90 + 14/1260 = 104/1260
  5. 104/1260 simplified gives 26/315
  6. So, 2/28 + 1/90 = 26/315

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