Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/80 and 7/45

1st number: 1 10/80, 2nd number: 7/45

90/80 + 7/45 is 461/360.

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,
    90/80 = 90 × 9/80 × 9 = 810/720
  3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
    7/45 = 7 × 16/45 × 16 = 112/720
  4. Add the two like fractions:
    810/720 + 112/720 = 810 + 112/720 = 922/720
  5. 922/720 simplified gives 461/360
  6. So, 90/80 + 7/45 = 461/360
    In mixed form: 1101/360

MathStep (Works offline)

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

Related:

© everydaycalculation.com