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Add 90/70 and 12/25

1st number: 1 20/70, 2nd number: 12/25

90/70 + 12/25 is 309/175.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 350
  2. For the 1st fraction, since 70 × 5 = 350,
    90/70 = 90 × 5/70 × 5 = 450/350
  3. Likewise, for the 2nd fraction, since 25 × 14 = 350,
    12/25 = 12 × 14/25 × 14 = 168/350
  4. Add the two like fractions:
    450/350 + 168/350 = 450 + 168/350 = 618/350
  5. 618/350 simplified gives 309/175
  6. So, 90/70 + 12/25 = 309/175
    In mixed form: 1134/175

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