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Add 72/90 and 27/70

72/90 + 27/70 is 83/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 90 × 7 = 630,
    72/90 = 72 × 7/90 × 7 = 504/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    27/70 = 27 × 9/70 × 9 = 243/630
  4. Add the two like fractions:
    504/630 + 243/630 = 504 + 243/630 = 747/630
  5. 747/630 simplified gives 83/70
  6. So, 72/90 + 27/70 = 83/70
    In mixed form: 113/70

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