Add 40/5 and 2/20
1st number: 8 0/5, 2nd number: 2/20
40/5 + 2/20 is 81/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
40/5 = 40 × 4/5 × 4 = 160/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
2/20 = 2 × 1/20 × 1 = 2/20 - Add the two like fractions:
160/20 + 2/20 = 160 + 2/20 = 162/20 - 162/20 simplified gives 81/10
- So, 40/5 + 2/20 = 81/10
In mixed form: 81/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5+2/20 40/5+4/20 40/10+2/20 40/5+2/40 40/5+6/20 40/15+2/20 40/5+2/60 40/5+10/20 40/25+2/20 40/5+14/20 40/35+2/20