Add 9/8 and 10/5
1st number: 1 1/8, 2nd number: 2 0/5
9/8 + 10/5 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
9/8 = 9 × 5/8 × 5 = 45/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
10/5 = 10 × 8/5 × 8 = 80/40 - Add the two like fractions:
45/40 + 80/40 = 45 + 80/40 = 125/40 - 125/40 simplified gives 25/8
- So, 9/8 + 10/5 = 25/8
In mixed form: 31/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/8+10/5 9/8+20/5 9/16+10/5 27/8+10/5 9/8+30/5 9/24+10/5 9/8+10/15 45/8+10/5 9/8+50/5 9/40+10/5 9/8+10/25 63/8+10/5 9/8+70/5 9/56+10/5 9/8+10/35