Add 40/2 and 80/90
1st number: 20 0/2, 2nd number: 80/90
40/2 + 80/90 is 188/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
40/2 = 40 × 45/2 × 45 = 1800/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
80/90 = 80 × 1/90 × 1 = 80/90 - Add the two like fractions:
1800/90 + 80/90 = 1800 + 80/90 = 1880/90 - 1880/90 simplified gives 188/9
- So, 40/2 + 80/90 = 188/9
In mixed form: 208/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+80/90 40/4+80/90 40/6+80/90 40/10+80/90 40/14+80/90