Add 54/24 and 21/28
1st number: 2 6/24, 2nd number: 21/28
54/24 + 21/28 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 28 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
54/24 = 54 × 7/24 × 7 = 378/168 - Likewise, for the 2nd fraction, since 28 × 6 = 168,
21/28 = 21 × 6/28 × 6 = 126/168 - Add the two like fractions:
378/168 + 126/168 = 378 + 126/168 = 504/168 - 504/168 simplified gives 3/1
- So, 54/24 + 21/28 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24+42/28 54/48+21/28 54/24+21/56 54/24+63/28 54/72+21/28 54/24+21/84