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Add 20/36 and 5/70

20/36 + 5/70 is 79/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 70 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 36 × 35 = 1260,
    20/36 = 20 × 35/36 × 35 = 700/1260
  3. Likewise, for the 2nd fraction, since 70 × 18 = 1260,
    5/70 = 5 × 18/70 × 18 = 90/1260
  4. Add the two like fractions:
    700/1260 + 90/1260 = 700 + 90/1260 = 790/1260
  5. 790/1260 simplified gives 79/126
  6. So, 20/36 + 5/70 = 79/126

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