Add 18/30 and 18/35
18/30 + 18/35 is 39/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
18/35 = 18 × 6/35 × 6 = 108/210 - Add the two like fractions:
126/210 + 108/210 = 126 + 108/210 = 234/210 - 234/210 simplified gives 39/35
- So, 18/30 + 18/35 = 39/35
In mixed form: 14/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+18/35 18/30+36/35 18/60+18/35 18/30+18/70 54/30+18/35 18/30+54/35 18/90+18/35 90/30+18/35 18/30+90/35