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Add 7/70 and 75/84

7/70 + 75/84 is 139/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 70 × 6 = 420,
    7/70 = 7 × 6/70 × 6 = 42/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    75/84 = 75 × 5/84 × 5 = 375/420
  4. Add the two like fractions:
    42/420 + 375/420 = 42 + 375/420 = 417/420
  5. 417/420 simplified gives 139/140
  6. So, 7/70 + 75/84 = 139/140

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