Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 3/45 and 21/14

1st number: 3/45, 2nd number: 1 7/14

3/45 + 21/14 is 47/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 14 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    3/45 = 3 × 14/45 × 14 = 42/630
  3. Likewise, for the 2nd fraction, since 14 × 45 = 630,
    21/14 = 21 × 45/14 × 45 = 945/630
  4. Add the two like fractions:
    42/630 + 945/630 = 42 + 945/630 = 987/630
  5. 987/630 simplified gives 47/30
  6. So, 3/45 + 21/14 = 47/30
    In mixed form: 117/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com