Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/28 and 1/45

1st number: 3 6/28, 2nd number: 1/45

90/28 + 1/45 is 2039/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 45 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    90/28 = 90 × 45/28 × 45 = 4050/1260
  3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
    1/45 = 1 × 28/45 × 28 = 28/1260
  4. Add the two like fractions:
    4050/1260 + 28/1260 = 4050 + 28/1260 = 4078/1260
  5. 4078/1260 simplified gives 2039/630
  6. So, 90/28 + 1/45 = 2039/630
    In mixed form: 3149/630

MathStep (Works offline)

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

Related:

© everydaycalculation.com