Add 54/12 and 3/28
1st number: 4 6/12, 2nd number: 3/28
54/12 + 3/28 is 129/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
54/12 = 54 × 7/12 × 7 = 378/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
3/28 = 3 × 3/28 × 3 = 9/84 - Add the two like fractions:
378/84 + 9/84 = 378 + 9/84 = 387/84 - 387/84 simplified gives 129/28
- So, 54/12 + 3/28 = 129/28
In mixed form: 417/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+6/28 54/24+3/28 54/12+3/56 54/12+9/28 54/36+3/28 54/12+3/84 54/12+15/28 54/60+3/28 54/12+21/28 54/84+3/28