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Subtract 15/70 from 50/30

1st number: 1 20/30, 2nd number: 15/70

50/30 - 15/70 is 61/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    50/30 = 50 × 7/30 × 7 = 350/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    15/70 = 15 × 3/70 × 3 = 45/210
  4. Subtract the two like fractions:
    350/210 - 45/210 = 350 - 45/210 = 305/210
  5. After reducing the fraction, the answer is 61/42
  6. In mixed form: 119/42

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