Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 75/45 and 2/7

1st number: 1 30/45, 2nd number: 2/7

75/45 + 2/7 is 41/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 7 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    75/45 = 75 × 7/45 × 7 = 525/315
  3. Likewise, for the 2nd fraction, since 7 × 45 = 315,
    2/7 = 2 × 45/7 × 45 = 90/315
  4. Add the two like fractions:
    525/315 + 90/315 = 525 + 90/315 = 615/315
  5. 615/315 simplified gives 41/21
  6. So, 75/45 + 2/7 = 41/21
    In mixed form: 120/21

MathStep (Works offline)

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

Related:

© everydaycalculation.com