Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 81/18 and 15/75

1st number: 4 9/18, 2nd number: 15/75

81/18 + 15/75 is 47/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 75 is 450

    Next, find the equivalent fraction of both fractional numbers with denominator 450
  2. For the 1st fraction, since 18 × 25 = 450,
    81/18 = 81 × 25/18 × 25 = 2025/450
  3. Likewise, for the 2nd fraction, since 75 × 6 = 450,
    15/75 = 15 × 6/75 × 6 = 90/450
  4. Add the two like fractions:
    2025/450 + 90/450 = 2025 + 90/450 = 2115/450
  5. 2115/450 simplified gives 47/10
  6. So, 81/18 + 15/75 = 47/10
    In mixed form: 47/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com