Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 45/75 and 21/35

45/75 + 21/35 is 6/5.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 35 is 525

    Next, find the equivalent fraction of both fractional numbers with denominator 525
  2. For the 1st fraction, since 75 × 7 = 525,
    45/75 = 45 × 7/75 × 7 = 315/525
  3. Likewise, for the 2nd fraction, since 35 × 15 = 525,
    21/35 = 21 × 15/35 × 15 = 315/525
  4. Add the two like fractions:
    315/525 + 315/525 = 315 + 315/525 = 630/525
  5. 630/525 simplified gives 6/5
  6. So, 45/75 + 21/35 = 6/5
    In mixed form: 11/5

MathStep (Works offline)

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

Related:

© everydaycalculation.com