Add 6/45 and 2/20
6/45 + 2/20 is 7/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
6/45 = 6 × 4/45 × 4 = 24/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Add the two like fractions:
24/180 + 18/180 = 24 + 18/180 = 42/180 - 42/180 simplified gives 7/30
- So, 6/45 + 2/20 = 7/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+2/20 6/45+4/20 6/90+2/20 6/45+2/40 18/45+2/20 6/45+6/20 6/45+2/60 30/45+2/20 6/45+10/20 42/45+2/20 6/45+14/20