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Subtract 70/90 from 90/25

1st number: 3 15/25, 2nd number: 70/90

90/25 - 70/90 is 127/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 90 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 25 × 18 = 450,
    90/25 = 90 × 18/25 × 18 = 1620/450
  3. Likewise, for the 2nd fraction, since 90 × 5 = 450,
    70/90 = 70 × 5/90 × 5 = 350/450
  4. Subtract the two like fractions:
    1620/450 - 350/450 = 1620 - 350/450 = 1270/450
  5. After reducing the fraction, the answer is 127/45
  6. In mixed form: 237/45

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