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Subtract 7/80 from 90/35

1st number: 2 20/35, 2nd number: 7/80

90/35 - 7/80 is 1391/560.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 35 × 16 = 560,
    90/35 = 90 × 16/35 × 16 = 1440/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    7/80 = 7 × 7/80 × 7 = 49/560
  4. Subtract the two like fractions:
    1440/560 - 49/560 = 1440 - 49/560 = 1391/560
  5. In mixed form: 2271/560

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