Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 15/35 from 8/80

8/80 - 15/35 is -23/70.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 80 × 7 = 560,
    8/80 = 8 × 7/80 × 7 = 56/560
  3. Likewise, for the 2nd fraction, since 35 × 16 = 560,
    15/35 = 15 × 16/35 × 16 = 240/560
  4. Subtract the two like fractions:
    56/560 - 240/560 = 56 - 240/560 = -184/560
  5. After reducing the fraction, the answer is -23/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com