Add 15/8 and 75/90
1st number: 1 7/8, 2nd number: 75/90
15/8 + 75/90 is 65/24.
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,
15/8 = 15 × 45/8 × 45 = 675/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
75/90 = 75 × 4/90 × 4 = 300/360 - Add the two like fractions:
675/360 + 300/360 = 675 + 300/360 = 975/360 - 975/360 simplified gives 65/24
- So, 15/8 + 75/90 = 65/24
In mixed form: 217/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/8+75/90 15/16+75/90 45/8+75/90 15/24+75/90 75/8+75/90 15/40+75/90 15/56+75/90