Add 3/18 and 4/28
3/18 + 4/28 is 13/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
3/18 = 3 × 14/18 × 14 = 42/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
4/28 = 4 × 9/28 × 9 = 36/252 - Add the two like fractions:
42/252 + 36/252 = 42 + 36/252 = 78/252 - 78/252 simplified gives 13/42
- So, 3/18 + 4/28 = 13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+4/28 3/18+8/28 3/36+4/28 3/18+4/56 9/18+4/28 3/18+12/28 3/54+4/28 3/18+4/84 15/18+4/28 3/18+20/28 3/90+4/28 21/18+4/28