Add 5/8 and 80/45
1st number: 5/8, 2nd number: 1 35/45
5/8 + 80/45 is 173/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
5/8 = 5 × 45/8 × 45 = 225/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
80/45 = 80 × 8/45 × 8 = 640/360 - Add the two like fractions:
225/360 + 640/360 = 225 + 640/360 = 865/360 - 865/360 simplified gives 173/72
- So, 5/8 + 80/45 = 173/72
In mixed form: 229/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/8+80/45 5/16+80/45 5/8+80/90 15/8+80/45 5/24+80/45 25/8+80/45 5/40+80/45 35/8+80/45 5/56+80/45