Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/72 from 80/35

1st number: 2 10/35, 2nd number: 30/72

80/35 - 30/72 is 157/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 72 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 35 × 72 = 2520,
    80/35 = 80 × 72/35 × 72 = 5760/2520
  3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
    30/72 = 30 × 35/72 × 35 = 1050/2520
  4. Subtract the two like fractions:
    5760/2520 - 1050/2520 = 5760 - 1050/2520 = 4710/2520
  5. After reducing the fraction, the answer is 157/84
  6. In mixed form: 173/84

MathStep (Works offline)

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

Related:

© everydaycalculation.com