Add 40/20 and 5/30
1st number: 2 0/20, 2nd number: 5/30
40/20 + 5/30 is 13/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
40/20 = 40 × 3/20 × 3 = 120/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
5/30 = 5 × 2/30 × 2 = 10/60 - Add the two like fractions:
120/60 + 10/60 = 120 + 10/60 = 130/60 - 130/60 simplified gives 13/6
- So, 40/20 + 5/30 = 13/6
In mixed form: 21/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+5/30 40/20+10/30 40/20+5/60 40/20+15/30 40/60+5/30 40/20+5/90 40/20+25/30 40/20+35/30