Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 21/56 from 49/45

1st number: 1 4/45, 2nd number: 21/56

49/45 - 21/56 is 257/360.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 56 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 45 × 56 = 2520,
    49/45 = 49 × 56/45 × 56 = 2744/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    21/56 = 21 × 45/56 × 45 = 945/2520
  4. Subtract the two like fractions:
    2744/2520 - 945/2520 = 2744 - 945/2520 = 1799/2520
  5. After reducing the fraction, the answer is 257/360

MathStep (Works offline)

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

Related:

© everydaycalculation.com