Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 10/72 from 42/5

1st number: 8 2/5, 2nd number: 10/72

42/5 - 10/72 is 1487/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 5 × 72 = 360,
    42/5 = 42 × 72/5 × 72 = 3024/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    10/72 = 10 × 5/72 × 5 = 50/360
  4. Subtract the two like fractions:
    3024/360 - 50/360 = 3024 - 50/360 = 2974/360
  5. After reducing the fraction, the answer is 1487/180
  6. In mixed form: 847/180

MathStep (Works offline)

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

Related:

© everydaycalculation.com