Add 40/2 and 80/10
1st number: 20 0/2, 2nd number: 8 0/10
40/2 + 80/10 is 28/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
40/2 = 40 × 5/2 × 5 = 200/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
80/10 = 80 × 1/10 × 1 = 80/10 - Add the two like fractions:
200/10 + 80/10 = 200 + 80/10 = 280/10 - 280/10 simplified gives 28/1
- So, 40/2 + 80/10 = 28/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+80/10 40/4+80/10 40/2+80/20 40/6+80/10 40/2+80/30 40/10+80/10 40/2+80/50 40/14+80/10 40/2+80/70