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Add 15/5 and 10/42

1st number: 3 0/5, 2nd number: 10/42

15/5 + 10/42 is 68/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 42 is 210
  2. For the 1st fraction, since 5 × 42 = 210,
    15/5 = 15 × 42/5 × 42 = 630/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    10/42 = 10 × 5/42 × 5 = 50/210
  4. Add the two fractions:
    630/210 + 50/210 = 630 + 50/210 = 680/210
  5. After reducing the fraction, the answer is 68/21
  6. In mixed form: 35/21

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