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Add 1/28 and 4/90

1/28 + 4/90 is 101/1260.

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,
    1/28 = 1 × 45/28 × 45 = 45/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    4/90 = 4 × 14/90 × 14 = 56/1260
  4. Add the two fractions:
    45/1260 + 56/1260 = 45 + 56/1260 = 101/1260

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