Add 80/45 and 40/8
1st number: 1 35/45, 2nd number: 5 0/8
80/45 + 40/8 is 61/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
80/45 = 80 × 8/45 × 8 = 640/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
40/8 = 40 × 45/8 × 45 = 1800/360 - Add the two like fractions:
640/360 + 1800/360 = 640 + 1800/360 = 2440/360 - 2440/360 simplified gives 61/9
- So, 80/45 + 40/8 = 61/9
In mixed form: 67/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+80/8 80/90+40/8 80/45+40/16 80/45+40/24 80/45+40/56