Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 7/80 from 42/35

1st number: 1 7/35, 2nd number: 7/80

42/35 - 7/80 is 89/80.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 35 × 16 = 560,
    42/35 = 42 × 16/35 × 16 = 672/560
  3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
    7/80 = 7 × 7/80 × 7 = 49/560
  4. Subtract the two like fractions:
    672/560 - 49/560 = 672 - 49/560 = 623/560
  5. After reducing the fraction, the answer is 89/80
  6. In mixed form: 19/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com