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Subtract 70/45 from 7/98

1st number: 7/98, 2nd number: 1 25/45

7/98 - 70/45 is -187/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 45 is 4410

    Next, find the equivalent fraction of both fractional numbers with denominator 4410
  2. For the 1st fraction, since 98 × 45 = 4410,
    7/98 = 7 × 45/98 × 45 = 315/4410
  3. Likewise, for the 2nd fraction, since 45 × 98 = 4410,
    70/45 = 70 × 98/45 × 98 = 6860/4410
  4. Subtract the two like fractions:
    315/4410 - 6860/4410 = 315 - 6860/4410 = -6545/4410
  5. After reducing the fraction, the answer is -187/126

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