Add 28/90 and 3/5
28/90 + 3/5 is 41/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
28/90 = 28 × 1/90 × 1 = 28/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
3/5 = 3 × 18/5 × 18 = 54/90 - Add the two like fractions:
28/90 + 54/90 = 28 + 54/90 = 82/90 - 82/90 simplified gives 41/45
- So, 28/90 + 3/5 = 41/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+3/5 28/90+6/5 28/90+3/10 84/90+3/5 28/90+9/5 28/90+3/15 28/90+15/5 28/90+3/25 28/90+21/5 28/90+3/35