Add 18/30 and 36/15
1st number: 18/30, 2nd number: 2 6/15
18/30 + 36/15 is 3/1.
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,
18/30 = 18 × 1/30 × 1 = 18/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
36/15 = 36 × 2/15 × 2 = 72/30 - Add the two like fractions:
18/30 + 72/30 = 18 + 72/30 = 90/30 - 90/30 simplified gives 3/1
- So, 18/30 + 36/15 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+36/15 18/30+72/15 18/60+36/15 18/30+36/30 54/30+36/15 18/90+36/15 18/30+36/45 90/30+36/15 18/30+36/75