Add 10/8 and 75/90
1st number: 1 2/8, 2nd number: 75/90
10/8 + 75/90 is 25/12.
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,
10/8 = 10 × 45/8 × 45 = 450/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
75/90 = 75 × 4/90 × 4 = 300/360 - Add the two like fractions:
450/360 + 300/360 = 450 + 300/360 = 750/360 - 750/360 simplified gives 25/12
- So, 10/8 + 75/90 = 25/12
In mixed form: 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+75/90 10/16+75/90 30/8+75/90 10/24+75/90 50/8+75/90 10/40+75/90 70/8+75/90 10/56+75/90