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Add 21/14 and 70/72

1st number: 1 7/14, 2nd number: 70/72

21/14 + 70/72 is 89/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 14 × 36 = 504,
    21/14 = 21 × 36/14 × 36 = 756/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    70/72 = 70 × 7/72 × 7 = 490/504
  4. Add the two like fractions:
    756/504 + 490/504 = 756 + 490/504 = 1246/504
  5. 1246/504 simplified gives 89/36
  6. So, 21/14 + 70/72 = 89/36
    In mixed form: 217/36

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