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Add 42/50 and 15/84

42/50 + 15/84 is 713/700.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 50 and 84 is 2100
  2. For the 1st fraction, since 50 × 42 = 2100,
    42/50 = 42 × 42/50 × 42 = 1764/2100
  3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
    15/84 = 15 × 25/84 × 25 = 375/2100
  4. Add the two fractions:
    1764/2100 + 375/2100 = 1764 + 375/2100 = 2139/2100
  5. 2139/2100 simplified gives 713/700
  6. So, 42/50 + 15/84 = 713/700
    In mixed form: 113/700

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