Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/28 and 3/90

1st number: 1 2/28, 2nd number: 3/90

30/28 + 3/90 is 116/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 90 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 28 × 45 = 1260,
    30/28 = 30 × 45/28 × 45 = 1350/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    3/90 = 3 × 14/90 × 14 = 42/1260
  4. Add the two like fractions:
    1350/1260 + 42/1260 = 1350 + 42/1260 = 1392/1260
  5. 1392/1260 simplified gives 116/105
  6. So, 30/28 + 3/90 = 116/105
    In mixed form: 111/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com