Add 18/30 and 4/7
18/30 + 4/7 is 41/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 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 7 × 30 = 210,
4/7 = 4 × 30/7 × 30 = 120/210 - Add the two like fractions:
126/210 + 120/210 = 126 + 120/210 = 246/210 - 246/210 simplified gives 41/35
- So, 18/30 + 4/7 = 41/35
In mixed form: 16/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/30+4/7 18/30+8/7 18/60+4/7 18/30+4/14 54/30+4/7 18/30+12/7 18/90+4/7 18/30+4/21 90/30+4/7 18/30+20/7 18/30+4/35 18/30+28/7 18/30+4/49