Add 80/45 and 2/30
1st number: 1 35/45, 2nd number: 2/30
80/45 + 2/30 is 83/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
80/45 = 80 × 2/45 × 2 = 160/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
2/30 = 2 × 3/30 × 3 = 6/90 - Add the two like fractions:
160/90 + 6/90 = 160 + 6/90 = 166/90 - 166/90 simplified gives 83/45
- So, 80/45 + 2/30 = 83/45
In mixed form: 138/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+4/30 80/90+2/30 80/45+2/60 80/45+6/30 80/45+2/90 80/45+10/30 80/45+14/30