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Add 21/98 and 27/70

21/98 + 27/70 is 3/5.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    21/98 = 21 × 5/98 × 5 = 105/490
  3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
    27/70 = 27 × 7/70 × 7 = 189/490
  4. Add the two like fractions:
    105/490 + 189/490 = 105 + 189/490 = 294/490
  5. 294/490 simplified gives 3/5
  6. So, 21/98 + 27/70 = 3/5

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