Add 18/30 and 2/5
18/30 + 2/5 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
2/5 = 2 × 6/5 × 6 = 12/30 - Add the two like fractions:
18/30 + 12/30 = 18 + 12/30 = 30/30 - 30/30 simplified gives 1/1
- So, 18/30 + 2/5 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+2/5 18/30+4/5 18/60+2/5 18/30+2/10 54/30+2/5 18/30+6/5 18/90+2/5 18/30+2/15 90/30+2/5 18/30+10/5 18/30+2/25 18/30+14/5 18/30+2/35