Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 4/45 and 42/28

1st number: 4/45, 2nd number: 1 14/28

4/45 + 42/28 is 143/90.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 45 × 28 = 1260,
    4/45 = 4 × 28/45 × 28 = 112/1260
  3. Likewise, for the 2nd fraction, since 28 × 45 = 1260,
    42/28 = 42 × 45/28 × 45 = 1890/1260
  4. Add the two like fractions:
    112/1260 + 1890/1260 = 112 + 1890/1260 = 2002/1260
  5. 2002/1260 simplified gives 143/90
  6. So, 4/45 + 42/28 = 143/90
    In mixed form: 153/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com