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Subtract 4/18 from 15/7

1st number: 2 1/7, 2nd number: 4/18

15/7 - 4/18 is 121/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 18 is 126
  2. For the 1st fraction, since 7 × 18 = 126,
    15/7 = 15 × 18/7 × 18 = 270/126
  3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
    4/18 = 4 × 7/18 × 7 = 28/126
  4. Subtract the two fractions:
    270/126 - 28/126 = 270 - 28/126 = 242/126
  5. After reducing the fraction, the answer is 121/63
  6. In mixed form: 158/63

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