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Add 18/80 and 63/8

1st number: 18/80, 2nd number: 7 7/8

18/80 + 63/8 is 81/10.

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,
    18/80 = 18 × 1/80 × 1 = 18/80
  3. Likewise, for the 2nd fraction, since 8 × 10 = 80,
    63/8 = 63 × 10/8 × 10 = 630/80
  4. Add the two like fractions:
    18/80 + 630/80 = 18 + 630/80 = 648/80
  5. 648/80 simplified gives 81/10
  6. So, 18/80 + 63/8 = 81/10
    In mixed form: 81/10

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