Add 27/8 and 15/90
1st number: 3 3/8, 2nd number: 15/90
27/8 + 15/90 is 85/24.
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,
27/8 = 27 × 45/8 × 45 = 1215/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
15/90 = 15 × 4/90 × 4 = 60/360 - Add the two like fractions:
1215/360 + 60/360 = 1215 + 60/360 = 1275/360 - 1275/360 simplified gives 85/24
- So, 27/8 + 15/90 = 85/24
In mixed form: 313/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+15/90 27/8+30/90 27/16+15/90 81/8+15/90 27/8+45/90 27/24+15/90 27/8+75/90 27/40+15/90 27/56+15/90