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Add 42/8 and 9/15

1st number: 5 2/8, 2nd number: 9/15

42/8 + 9/15 is 117/20.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 15 is 120
  2. For the 1st fraction, since 8 × 15 = 120,
    42/8 = 42 × 15/8 × 15 = 630/120
  3. Likewise, for the 2nd fraction, since 15 × 8 = 120,
    9/15 = 9 × 8/15 × 8 = 72/120
  4. Add the two fractions:
    630/120 + 72/120 = 630 + 72/120 = 702/120
  5. After reducing the fraction, the answer is 117/20
  6. In mixed form: 517/20

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