Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/84 from 54/45

1st number: 1 9/45, 2nd number: 30/84

54/45 - 30/84 is 59/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    54/45 = 54 × 28/45 × 28 = 1512/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    30/84 = 30 × 15/84 × 15 = 450/1260
  4. Subtract the two like fractions:
    1512/1260 - 450/1260 = 1512 - 450/1260 = 1062/1260
  5. After reducing the fraction, the answer is 59/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com