Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/30 and 35/40

12/30 + 35/40 is 51/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 40 is 120

    Next, find the equivalent fraction of both fractional numbers with denominator 120
  2. For the 1st fraction, since 30 × 4 = 120,
    12/30 = 12 × 4/30 × 4 = 48/120
  3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
    35/40 = 35 × 3/40 × 3 = 105/120
  4. Add the two like fractions:
    48/120 + 105/120 = 48 + 105/120 = 153/120
  5. 153/120 simplified gives 51/40
  6. So, 12/30 + 35/40 = 51/40
    In mixed form: 111/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com