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Add 12/4 and 49/90

1st number: 3 0/4, 2nd number: 49/90

12/4 + 49/90 is 319/90.

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,
    12/4 = 12 × 45/4 × 45 = 540/180
  3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
    49/90 = 49 × 2/90 × 2 = 98/180
  4. Add the two fractions:
    540/180 + 98/180 = 540 + 98/180 = 638/180
  5. 638/180 simplified gives 319/90
  6. So, 12/4 + 49/90 = 319/90
    In mixed form: 349/90

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