Add 6/45 and 15/20
6/45 + 15/20 is 53/60.
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,
15/20 = 15 × 9/20 × 9 = 135/180 - Add the two like fractions:
24/180 + 135/180 = 24 + 135/180 = 159/180 - 159/180 simplified gives 53/60
- So, 6/45 + 15/20 = 53/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/45+15/20 6/45+30/20 6/90+15/20 6/45+15/40 18/45+15/20 6/45+45/20 6/45+15/60 30/45+15/20 6/45+75/20 42/45+15/20