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Add 15/8 and 45/90

1st number: 1 7/8, 2nd number: 45/90

15/8 + 45/90 is 19/8.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360
  2. For the 1st fraction, since 8 × 45 = 360,
    15/8 = 15 × 45/8 × 45 = 675/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    45/90 = 45 × 4/90 × 4 = 180/360
  4. Add the two fractions:
    675/360 + 180/360 = 675 + 180/360 = 855/360
  5. After reducing the fraction, the answer is 19/8
  6. In mixed form: 23/8

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