Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/14 and 45/72

1st number: 2 2/14, 2nd number: 45/72

30/14 + 45/72 is 155/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 14 × 36 = 504,
    30/14 = 30 × 36/14 × 36 = 1080/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    45/72 = 45 × 7/72 × 7 = 315/504
  4. Add the two like fractions:
    1080/504 + 315/504 = 1080 + 315/504 = 1395/504
  5. 1395/504 simplified gives 155/56
  6. So, 30/14 + 45/72 = 155/56
    In mixed form: 243/56

MathStep (Works offline)

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

Related:

© everydaycalculation.com