Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/27 and 90/20

1st number: 1/27, 2nd number: 4 10/20

1/27 + 90/20 is 245/54.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 27 and 20 is 540

    Next, find the equivalent fraction of both fractional numbers with denominator 540
  2. For the 1st fraction, since 27 × 20 = 540,
    1/27 = 1 × 20/27 × 20 = 20/540
  3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
    90/20 = 90 × 27/20 × 27 = 2430/540
  4. Add the two like fractions:
    20/540 + 2430/540 = 20 + 2430/540 = 2450/540
  5. 2450/540 simplified gives 245/54
  6. So, 1/27 + 90/20 = 245/54
    In mixed form: 429/54

MathStep (Works offline)

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

Related:

© everydaycalculation.com