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Subtract 10/7 from 90/5

1st number: 18 0/5, 2nd number: 1 3/7

90/5 - 10/7 is 116/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 7 is 35

    Next, find the equivalent fraction of both fractional numbers with denominator 35
  2. For the 1st fraction, since 5 × 7 = 35,
    90/5 = 90 × 7/5 × 7 = 630/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    10/7 = 10 × 5/7 × 5 = 50/35
  4. Subtract the two like fractions:
    630/35 - 50/35 = 630 - 50/35 = 580/35
  5. After reducing the fraction, the answer is 116/7
  6. In mixed form: 164/7

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