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Add 21/27 and 5/70

21/27 + 5/70 is 107/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 70 is 1890

    Next, find the equivalent fraction of both fractional numbers with denominator 1890
  2. For the 1st fraction, since 27 × 70 = 1890,
    21/27 = 21 × 70/27 × 70 = 1470/1890
  3. Likewise, for the 2nd fraction, since 70 × 27 = 1890,
    5/70 = 5 × 27/70 × 27 = 135/1890
  4. Add the two like fractions:
    1470/1890 + 135/1890 = 1470 + 135/1890 = 1605/1890
  5. 1605/1890 simplified gives 107/126
  6. So, 21/27 + 5/70 = 107/126

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