Add 9/90 and 20/8
1st number: 9/90, 2nd number: 2 4/8
9/90 + 20/8 is 13/5.
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,
9/90 = 9 × 4/90 × 4 = 36/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
20/8 = 20 × 45/8 × 45 = 900/360 - Add the two like fractions:
36/360 + 900/360 = 36 + 900/360 = 936/360 - 936/360 simplified gives 13/5
- So, 9/90 + 20/8 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+20/8 9/90+40/8 9/90+20/16 27/90+20/8 9/90+60/8 9/90+20/24 45/90+20/8 9/90+20/40 63/90+20/8 9/90+20/56