Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 1/80 and 4/45

1/80 + 4/45 is 73/720.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 45 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 80 × 9 = 720,
    1/80 = 1 × 9/80 × 9 = 9/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    4/45 = 4 × 16/45 × 16 = 64/720
  4. Add the two like fractions:
    9/720 + 64/720 = 9 + 64/720 = 73/720
  5. So, 1/80 + 4/45 = 73/720

MathStep (Works offline)

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

Related:

© everydaycalculation.com