Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/28 and 12/45

1st number: 1 2/28, 2nd number: 12/45

30/28 + 12/45 is 281/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 45 is 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 45 × 28 = 1260,
    12/45 = 12 × 28/45 × 28 = 336/1260
  4. Add the two fractions:
    1350/1260 + 336/1260 = 1350 + 336/1260 = 1686/1260
  5. 1686/1260 simplified gives 281/210
  6. So, 30/28 + 12/45 = 281/210
    In mixed form: 171/210

MathStep (Works offline)

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

Related:

© everydaycalculation.com