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Add 42/5 and 84/63

1st number: 8 2/5, 2nd number: 1 21/63

42/5 + 84/63 is 146/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 63 is 315
  2. For the 1st fraction, since 5 × 63 = 315,
    42/5 = 42 × 63/5 × 63 = 2646/315
  3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
    84/63 = 84 × 5/63 × 5 = 420/315
  4. Add the two fractions:
    2646/315 + 420/315 = 2646 + 420/315 = 3066/315
  5. 3066/315 simplified gives 146/15
  6. So, 42/5 + 84/63 = 146/15
    In mixed form: 911/15

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