Add 54/14 and 9/20
1st number: 3 12/14, 2nd number: 9/20
54/14 + 9/20 is 603/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
54/14 = 54 × 10/14 × 10 = 540/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
9/20 = 9 × 7/20 × 7 = 63/140 - Add the two like fractions:
540/140 + 63/140 = 540 + 63/140 = 603/140 - So, 54/14 + 9/20 = 603/140
In mixed form: 443/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14+18/20 54/28+9/20 54/14+9/40 54/14+27/20 54/42+9/20 54/14+9/60 54/14+45/20 54/70+9/20 54/14+63/20 54/98+9/20