Add 1/20 and 4/18
1/20 + 4/18 is 49/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
1/20 = 1 × 9/20 × 9 = 9/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
4/18 = 4 × 10/18 × 10 = 40/180 - Add the two like fractions:
9/180 + 40/180 = 9 + 40/180 = 49/180 - So, 1/20 + 4/18 = 49/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+4/18 1/20+8/18 1/40+4/18 1/20+4/36 3/20+4/18 1/20+12/18 1/60+4/18 1/20+4/54 5/20+4/18 1/20+20/18 1/20+4/90 7/20+4/18 1/20+28/18