Add 28/90 and 10/8
1st number: 28/90, 2nd number: 1 2/8
28/90 + 10/8 is 281/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
28/90 = 28 × 4/90 × 4 = 112/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
10/8 = 10 × 45/8 × 45 = 450/360 - Add the two like fractions:
112/360 + 450/360 = 112 + 450/360 = 562/360 - 562/360 simplified gives 281/180
- So, 28/90 + 10/8 = 281/180
In mixed form: 1101/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+10/8 28/90+20/8 28/90+10/16 84/90+10/8 28/90+30/8 28/90+10/24 28/90+50/8 28/90+10/40 28/90+70/8 28/90+10/56