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Add 18/10 and 70/80

1st number: 1 8/10, 2nd number: 70/80

18/10 + 70/80 is 107/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 80 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 10 × 8 = 80,
    18/10 = 18 × 8/10 × 8 = 144/80
  3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
    70/80 = 70 × 1/80 × 1 = 70/80
  4. Add the two like fractions:
    144/80 + 70/80 = 144 + 70/80 = 214/80
  5. 214/80 simplified gives 107/40
  6. So, 18/10 + 70/80 = 107/40
    In mixed form: 227/40

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