Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/80 from 98/45

1st number: 2 8/45, 2nd number: 70/80

98/45 - 70/80 is 469/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 80 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 45 × 16 = 720,
    98/45 = 98 × 16/45 × 16 = 1568/720
  3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
    70/80 = 70 × 9/80 × 9 = 630/720
  4. Subtract the two like fractions:
    1568/720 - 630/720 = 1568 - 630/720 = 938/720
  5. After reducing the fraction, the answer is 469/360
  6. In mixed form: 1109/360

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com