Add 80/8 and 30/45
1st number: 10 0/8, 2nd number: 30/45
80/8 + 30/45 is 32/3.
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,
80/8 = 80 × 45/8 × 45 = 3600/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
30/45 = 30 × 8/45 × 8 = 240/360 - Add the two like fractions:
3600/360 + 240/360 = 3600 + 240/360 = 3840/360 - 3840/360 simplified gives 32/3
- So, 80/8 + 30/45 = 32/3
In mixed form: 102/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+60/45 80/16+30/45 80/8+30/90 80/8+90/45 80/24+30/45 80/40+30/45 80/56+30/45