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Add 18/90 and 70/28

1st number: 18/90, 2nd number: 2 14/28

18/90 + 70/28 is 27/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 28 is 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    18/90 = 18 × 14/90 × 14 = 252/1260
  3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
    70/28 = 70 × 45/28 × 45 = 3150/1260
  4. Add the two fractions:
    252/1260 + 3150/1260 = 252 + 3150/1260 = 3402/1260
  5. After reducing the fraction, the answer is 27/10
  6. In mixed form: 27/10

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