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Add 45/80 and 15/8

1st number: 45/80, 2nd number: 1 7/8

45/80 + 15/8 is 39/16.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 8 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 80 × 1 = 80,
    45/80 = 45 × 1/80 × 1 = 45/80
  3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
    15/8 = 15 × 10/8 × 10 = 150/80
  4. Add the two like fractions:
    45/80 + 150/80 = 45 + 150/80 = 195/80
  5. 195/80 simplified gives 39/16
  6. So, 45/80 + 15/8 = 39/16
    In mixed form: 27/16

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