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Add 21/14 and 9/10

1st number: 1 7/14, 2nd number: 9/10

21/14 + 9/10 is 12/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 10 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 14 × 5 = 70,
    21/14 = 21 × 5/14 × 5 = 105/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    9/10 = 9 × 7/10 × 7 = 63/70
  4. Add the two like fractions:
    105/70 + 63/70 = 105 + 63/70 = 168/70
  5. 168/70 simplified gives 12/5
  6. So, 21/14 + 9/10 = 12/5
    In mixed form: 22/5

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