Add 14/45 and 54/20
1st number: 14/45, 2nd number: 2 14/20
14/45 + 54/20 is 271/90.
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,
14/45 = 14 × 4/45 × 4 = 56/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
54/20 = 54 × 9/20 × 9 = 486/180 - Add the two like fractions:
56/180 + 486/180 = 56 + 486/180 = 542/180 - 542/180 simplified gives 271/90
- So, 14/45 + 54/20 = 271/90
In mixed form: 31/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/45+54/20 14/90+54/20 14/45+54/40 42/45+54/20 14/45+54/60 70/45+54/20 98/45+54/20