Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/54 and 4/45

1st number: 1 36/54, 2nd number: 4/45

90/54 + 4/45 is 79/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 45 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 54 × 5 = 270,
    90/54 = 90 × 5/54 × 5 = 450/270
  3. Likewise, for the 2nd fraction, since 45 × 6 = 270,
    4/45 = 4 × 6/45 × 6 = 24/270
  4. Add the two like fractions:
    450/270 + 24/270 = 450 + 24/270 = 474/270
  5. 474/270 simplified gives 79/45
  6. So, 90/54 + 4/45 = 79/45
    In mixed form: 134/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com