Add 90/96 and 3/40
90/96 + 3/40 is 81/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 40 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 40 × 12 = 480,
3/40 = 3 × 12/40 × 12 = 36/480 - Add the two like fractions:
450/480 + 36/480 = 450 + 36/480 = 486/480 - 486/480 simplified gives 81/80
- So, 90/96 + 3/40 = 81/80
In mixed form: 11/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/96+6/40 90/96+3/80 90/96+9/40 90/96+15/40 90/96+21/40