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Add 54/70 and 20/49

54/70 + 20/49 is 289/245.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 49 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 70 × 7 = 490,
    54/70 = 54 × 7/70 × 7 = 378/490
  3. Likewise, for the 2nd fraction, since 49 × 10 = 490,
    20/49 = 20 × 10/49 × 10 = 200/490
  4. Add the two like fractions:
    378/490 + 200/490 = 378 + 200/490 = 578/490
  5. 578/490 simplified gives 289/245
  6. So, 54/70 + 20/49 = 289/245
    In mixed form: 144/245

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