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Add 8/15 and 63/42

1st number: 8/15, 2nd number: 1 21/42

8/15 + 63/42 is 61/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 42 is 210
  2. For the 1st fraction, since 15 × 14 = 210,
    8/15 = 8 × 14/15 × 14 = 112/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    63/42 = 63 × 5/42 × 5 = 315/210
  4. Add the two fractions:
    112/210 + 315/210 = 112 + 315/210 = 427/210
  5. 427/210 simplified gives 61/30
  6. So, 8/15 + 63/42 = 61/30
    In mixed form: 21/30

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