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Add 10/72 and 21/98

10/72 + 21/98 is 89/252.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 98 is 3528

    Next, find the equivalent fraction of both fractional numbers with denominator 3528
  2. For the 1st fraction, since 72 × 49 = 3528,
    10/72 = 10 × 49/72 × 49 = 490/3528
  3. Likewise, for the 2nd fraction, since 98 × 36 = 3528,
    21/98 = 21 × 36/98 × 36 = 756/3528
  4. Add the two like fractions:
    490/3528 + 756/3528 = 490 + 756/3528 = 1246/3528
  5. 1246/3528 simplified gives 89/252
  6. So, 10/72 + 21/98 = 89/252

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