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Add 63/70 and 20/98

63/70 + 20/98 is 541/490.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 98 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 70 × 7 = 490,
    63/70 = 63 × 7/70 × 7 = 441/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    20/98 = 20 × 5/98 × 5 = 100/490
  4. Add the two like fractions:
    441/490 + 100/490 = 441 + 100/490 = 541/490
  5. So, 63/70 + 20/98 = 541/490
    In mixed form: 151/490

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