Add 54/20 and 25/28
1st number: 2 14/20, 2nd number: 25/28
54/20 + 25/28 is 503/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
54/20 = 54 × 7/20 × 7 = 378/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
25/28 = 25 × 5/28 × 5 = 125/140 - Add the two like fractions:
378/140 + 125/140 = 378 + 125/140 = 503/140 - So, 54/20 + 25/28 = 503/140
In mixed form: 383/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+50/28 54/40+25/28 54/20+25/56 54/20+75/28 54/60+25/28 54/20+25/84