Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 25/30 and 45/63

25/30 + 45/63 is 65/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 30 × 21 = 630,
    25/30 = 25 × 21/30 × 21 = 525/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    45/63 = 45 × 10/63 × 10 = 450/630
  4. Add the two like fractions:
    525/630 + 450/630 = 525 + 450/630 = 975/630
  5. 975/630 simplified gives 65/42
  6. So, 25/30 + 45/63 = 65/42
    In mixed form: 123/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com