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Add 56/20 and 9/42

1st number: 2 16/20, 2nd number: 9/42

56/20 + 9/42 is 211/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 42 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 20 × 21 = 420,
    56/20 = 56 × 21/20 × 21 = 1176/420
  3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
    9/42 = 9 × 10/42 × 10 = 90/420
  4. Add the two like fractions:
    1176/420 + 90/420 = 1176 + 90/420 = 1266/420
  5. 1266/420 simplified gives 211/70
  6. So, 56/20 + 9/42 = 211/70
    In mixed form: 31/70

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