Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/80 from 16/70

16/70 - 70/80 is -181/280.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 80 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 70 × 8 = 560,
    16/70 = 16 × 8/70 × 8 = 128/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    70/80 = 70 × 7/80 × 7 = 490/560
  4. Subtract the two like fractions:
    128/560 - 490/560 = 128 - 490/560 = -362/560
  5. After reducing the fraction, the answer is -181/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com