Add 2/8 and 15/90
2/8 + 15/90 is 5/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
2/8 = 2 × 45/8 × 45 = 90/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
15/90 = 15 × 4/90 × 4 = 60/360 - Add the two like fractions:
90/360 + 60/360 = 90 + 60/360 = 150/360 - 150/360 simplified gives 5/12
- So, 2/8 + 15/90 = 5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8+15/90 2/8+30/90 2/16+15/90 6/8+15/90 2/8+45/90 2/24+15/90 10/8+15/90 2/8+75/90 2/40+15/90 14/8+15/90 2/56+15/90