Add 40/2 and 45/80
1st number: 20 0/2, 2nd number: 45/80
40/2 + 45/80 is 329/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
40/2 = 40 × 40/2 × 40 = 1600/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
45/80 = 45 × 1/80 × 1 = 45/80 - Add the two like fractions:
1600/80 + 45/80 = 1600 + 45/80 = 1645/80 - 1645/80 simplified gives 329/16
- So, 40/2 + 45/80 = 329/16
In mixed form: 209/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+45/80 40/2+90/80 40/4+45/80 40/6+45/80 40/10+45/80 40/14+45/80