Add 6/15 and 45/20
1st number: 6/15, 2nd number: 2 5/20
6/15 + 45/20 is 53/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
6/15 = 6 × 4/15 × 4 = 24/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
45/20 = 45 × 3/20 × 3 = 135/60 - Add the two like fractions:
24/60 + 135/60 = 24 + 135/60 = 159/60 - 159/60 simplified gives 53/20
- So, 6/15 + 45/20 = 53/20
In mixed form: 213/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/15+45/20 6/15+90/20 6/30+45/20 6/15+45/40 18/15+45/20 6/45+45/20 6/15+45/60 30/15+45/20 6/75+45/20 42/15+45/20