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Add 70/72 and 27/28

70/72 + 27/28 is 122/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 28 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    70/72 = 70 × 7/72 × 7 = 490/504
  3. Likewise, for the 2nd fraction, since 28 × 18 = 504,
    27/28 = 27 × 18/28 × 18 = 486/504
  4. Add the two like fractions:
    490/504 + 486/504 = 490 + 486/504 = 976/504
  5. 976/504 simplified gives 122/63
  6. So, 70/72 + 27/28 = 122/63
    In mixed form: 159/63

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