Add 25/8 and 40/5
1st number: 3 1/8, 2nd number: 8 0/5
25/8 + 40/5 is 89/8.
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,
25/8 = 25 × 5/8 × 5 = 125/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
40/5 = 40 × 8/5 × 8 = 320/40 - Add the two like fractions:
125/40 + 320/40 = 125 + 320/40 = 445/40 - 445/40 simplified gives 89/8
- So, 25/8 + 40/5 = 89/8
In mixed form: 111/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8+40/5 25/8+80/5 25/16+40/5 25/8+40/10 75/8+40/5 25/24+40/5 25/8+40/15 25/40+40/5 25/8+40/25 25/56+40/5 25/8+40/35