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Add 45/10 and 30/21

1st number: 4 5/10, 2nd number: 1 9/21

45/10 + 30/21 is 83/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 21 is 210
  2. For the 1st fraction, since 10 × 21 = 210,
    45/10 = 45 × 21/10 × 21 = 945/210
  3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
    30/21 = 30 × 10/21 × 10 = 300/210
  4. Add the two fractions:
    945/210 + 300/210 = 945 + 300/210 = 1245/210
  5. After reducing the fraction, the answer is 83/14
  6. In mixed form: 513/14

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