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Add 21/14 and 45/15

1st number: 1 7/14, 2nd number: 3 0/15

21/14 + 45/15 is 9/2.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 15 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 14 × 15 = 210,
    21/14 = 21 × 15/14 × 15 = 315/210
  3. Likewise, for the 2nd fraction, since 15 × 14 = 210,
    45/15 = 45 × 14/15 × 14 = 630/210
  4. Add the two like fractions:
    315/210 + 630/210 = 315 + 630/210 = 945/210
  5. 945/210 simplified gives 9/2
  6. So, 21/14 + 45/15 = 9/2
    In mixed form: 41/2

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