Add 9/90 and 8/5
1st number: 9/90, 2nd number: 1 3/5
9/90 + 8/5 is 17/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
8/5 = 8 × 18/5 × 18 = 144/90 - Add the two like fractions:
9/90 + 144/90 = 9 + 144/90 = 153/90 - 153/90 simplified gives 17/10
- So, 9/90 + 8/5 = 17/10
In mixed form: 17/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+8/5 9/90+16/5 9/90+8/10 27/90+8/5 9/90+24/5 9/90+8/15 45/90+8/5 9/90+40/5 9/90+8/25 63/90+8/5 9/90+56/5 9/90+8/35