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Subtract 21/30 from 70/36

1st number: 1 34/36, 2nd number: 21/30

70/36 - 21/30 is 56/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 30 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 36 × 5 = 180,
    70/36 = 70 × 5/36 × 5 = 350/180
  3. Likewise, for the 2nd fraction, since 30 × 6 = 180,
    21/30 = 21 × 6/30 × 6 = 126/180
  4. Subtract the two like fractions:
    350/180 - 126/180 = 350 - 126/180 = 224/180
  5. After reducing the fraction, the answer is 56/45
  6. In mixed form: 111/45

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