Add 54/15 and 2/20
1st number: 3 9/15, 2nd number: 2/20
54/15 + 2/20 is 37/10.
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,
54/15 = 54 × 4/15 × 4 = 216/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
2/20 = 2 × 3/20 × 3 = 6/60 - Add the two like fractions:
216/60 + 6/60 = 216 + 6/60 = 222/60 - 222/60 simplified gives 37/10
- So, 54/15 + 2/20 = 37/10
In mixed form: 37/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/15+4/20 54/30+2/20 54/15+2/40 54/15+6/20 54/45+2/20 54/15+2/60 54/15+10/20 54/75+2/20 54/15+14/20