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Add 9/45 and 21/7

1st number: 9/45, 2nd number: 3 0/7

9/45 + 21/7 is 16/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    9/45 = 9 × 7/45 × 7 = 63/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    21/7 = 21 × 45/7 × 45 = 945/315
  4. Add the two like fractions:
    63/315 + 945/315 = 63 + 945/315 = 1008/315
  5. 1008/315 simplified gives 16/5
  6. So, 9/45 + 21/7 = 16/5
    In mixed form: 31/5

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