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Add 42/56 and 4/20

42/56 + 4/20 is 19/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 20 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    42/56 = 42 × 5/56 × 5 = 210/280
  3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
    4/20 = 4 × 14/20 × 14 = 56/280
  4. Add the two like fractions:
    210/280 + 56/280 = 210 + 56/280 = 266/280
  5. 266/280 simplified gives 19/20
  6. So, 42/56 + 4/20 = 19/20

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