Add 4/30 and 20/15
1st number: 4/30, 2nd number: 1 5/15
4/30 + 20/15 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
4/30 = 4 × 1/30 × 1 = 4/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
20/15 = 20 × 2/15 × 2 = 40/30 - Add the two like fractions:
4/30 + 40/30 = 4 + 40/30 = 44/30 - 44/30 simplified gives 22/15
- So, 4/30 + 20/15 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30+20/15 4/30+40/15 4/60+20/15 4/30+20/30 12/30+20/15 4/30+60/15 4/90+20/15 4/30+20/45 20/30+20/15 4/30+20/75 28/30+20/15