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Add 20/25 and 42/70

20/25 + 42/70 is 7/5.

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,
    42/70 = 42 × 5/70 × 5 = 210/350
  4. Add the two like fractions:
    280/350 + 210/350 = 280 + 210/350 = 490/350
  5. 490/350 simplified gives 7/5
  6. So, 20/25 + 42/70 = 7/5
    In mixed form: 12/5

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