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Add 20/16 and 42/9

1st number: 1 4/16, 2nd number: 4 6/9

20/16 + 42/9 is 71/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 9 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 16 × 9 = 144,
    20/16 = 20 × 9/16 × 9 = 180/144
  3. Likewise, for the 2nd fraction, since 9 × 16 = 144,
    42/9 = 42 × 16/9 × 16 = 672/144
  4. Add the two like fractions:
    180/144 + 672/144 = 180 + 672/144 = 852/144
  5. 852/144 simplified gives 71/12
  6. So, 20/16 + 42/9 = 71/12
    In mixed form: 511/12

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