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Add 54/70 and 20/9

1st number: 54/70, 2nd number: 2 2/9

54/70 + 20/9 is 943/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 9 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    54/70 = 54 × 9/70 × 9 = 486/630
  3. Likewise, for the 2nd fraction, since 9 × 70 = 630,
    20/9 = 20 × 70/9 × 70 = 1400/630
  4. Add the two like fractions:
    486/630 + 1400/630 = 486 + 1400/630 = 1886/630
  5. 1886/630 simplified gives 943/315
  6. So, 54/70 + 20/9 = 943/315
    In mixed form: 2313/315

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