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Add 42/28 and 1/90

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

42/28 + 1/90 is 68/45.

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,
    42/28 = 42 × 45/28 × 45 = 1890/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    1/90 = 1 × 14/90 × 14 = 14/1260
  4. Add the two fractions:
    1890/1260 + 14/1260 = 1890 + 14/1260 = 1904/1260
  5. After reducing the fraction, the answer is 68/45
  6. In mixed form: 123/45

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