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Add 2/10 and 70/81

2/10 + 70/81 is 431/405.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 81 is 810

    Next, find the equivalent fraction of both fractional numbers with denominator 810
  2. For the 1st fraction, since 10 × 81 = 810,
    2/10 = 2 × 81/10 × 81 = 162/810
  3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
    70/81 = 70 × 10/81 × 10 = 700/810
  4. Add the two like fractions:
    162/810 + 700/810 = 162 + 700/810 = 862/810
  5. 862/810 simplified gives 431/405
  6. So, 2/10 + 70/81 = 431/405
    In mixed form: 126/405

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