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Subtract 18/30 from 98/70

1st number: 1 28/70, 2nd number: 18/30

98/70 - 18/30 is 4/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    98/70 = 98 × 3/70 × 3 = 294/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    18/30 = 18 × 7/30 × 7 = 126/210
  4. Subtract the two fractions:
    294/210 - 126/210 = 294 - 126/210 = 168/210
  5. After reducing the fraction, the answer is 4/5

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