Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 70/60 from 30/72

1st number: 30/72, 2nd number: 1 10/60

30/72 - 70/60 is -3/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 60 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    30/72 = 30 × 5/72 × 5 = 150/360
  3. Likewise, for the 2nd fraction, since 60 × 6 = 360,
    70/60 = 70 × 6/60 × 6 = 420/360
  4. Subtract the two like fractions:
    150/360 - 420/360 = 150 - 420/360 = -270/360
  5. After reducing the fraction, the answer is -3/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com