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Subtract 90/48 from 1/45

1st number: 1/45, 2nd number: 1 42/48

1/45 - 90/48 is -667/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 48 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 45 × 16 = 720,
    1/45 = 1 × 16/45 × 16 = 16/720
  3. Likewise, for the 2nd fraction, since 48 × 15 = 720,
    90/48 = 90 × 15/48 × 15 = 1350/720
  4. Subtract the two like fractions:
    16/720 - 1350/720 = 16 - 1350/720 = -1334/720
  5. After reducing the fraction, the answer is -667/360

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