Add 90/96 and 40/80
90/96 + 40/80 is 23/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 80 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 96 × 5 = 480,
90/96 = 90 × 5/96 × 5 = 450/480 - Likewise, for the 2nd fraction, since 80 × 6 = 480,
40/80 = 40 × 6/80 × 6 = 240/480 - Add the two like fractions:
450/480 + 240/480 = 450 + 240/480 = 690/480 - 690/480 simplified gives 23/16
- So, 90/96 + 40/80 = 23/16
In mixed form: 17/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: