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Add 54/70 and 20/56

54/70 + 20/56 is 79/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 56 is 280
  2. For the 1st fraction, since 70 × 4 = 280,
    54/70 = 54 × 4/70 × 4 = 216/280
  3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
    20/56 = 20 × 5/56 × 5 = 100/280
  4. Add the two fractions:
    216/280 + 100/280 = 216 + 100/280 = 316/280
  5. 316/280 simplified gives 79/70
  6. So, 54/70 + 20/56 = 79/70
    In mixed form: 19/70

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