Add 2/30 and 18/28
2/30 + 18/28 is 149/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
2/30 = 2 × 14/30 × 14 = 28/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
18/28 = 18 × 15/28 × 15 = 270/420 - Add the two like fractions:
28/420 + 270/420 = 28 + 270/420 = 298/420 - 298/420 simplified gives 149/210
- So, 2/30 + 18/28 = 149/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+18/28 2/30+36/28 2/60+18/28 2/30+18/56 6/30+18/28 2/30+54/28 2/90+18/28 2/30+18/84 10/30+18/28 2/30+90/28 14/30+18/28