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Add 9/15 and 21/35

9/15 + 21/35 is 6/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 35 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 15 × 7 = 105,
    9/15 = 9 × 7/15 × 7 = 63/105
  3. Likewise, for the 2nd fraction, since 35 × 3 = 105,
    21/35 = 21 × 3/35 × 3 = 63/105
  4. Add the two like fractions:
    63/105 + 63/105 = 63 + 63/105 = 126/105
  5. 126/105 simplified gives 6/5
  6. So, 9/15 + 21/35 = 6/5
    In mixed form: 11/5

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