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Add 20/25 and 18/70

20/25 + 18/70 is 37/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 70 is 350

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 25 × 14 = 350,
    20/25 = 20 × 14/25 × 14 = 280/350
  3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
    18/70 = 18 × 5/70 × 5 = 90/350
  4. Add the two like fractions:
    280/350 + 90/350 = 280 + 90/350 = 370/350
  5. 370/350 simplified gives 37/35
  6. So, 20/25 + 18/70 = 37/35
    In mixed form: 12/35

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