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Add 81/10 and 20/8

1st number: 8 1/10, 2nd number: 2 4/8

81/10 + 20/8 is 53/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 8 is 40

    Next, find the equivalent fraction of both fractional numbers with denominator 40
  2. For the 1st fraction, since 10 × 4 = 40,
    81/10 = 81 × 4/10 × 4 = 324/40
  3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
    20/8 = 20 × 5/8 × 5 = 100/40
  4. Add the two like fractions:
    324/40 + 100/40 = 324 + 100/40 = 424/40
  5. 424/40 simplified gives 53/5
  6. So, 81/10 + 20/8 = 53/5
    In mixed form: 103/5

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