Add 27/21 and 54/48
1st number: 1 6/21, 2nd number: 1 6/48
27/21 + 54/48 is 135/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 21 × 16 = 336,
27/21 = 27 × 16/21 × 16 = 432/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
54/48 = 54 × 7/48 × 7 = 378/336 - Add the two like fractions:
432/336 + 378/336 = 432 + 378/336 = 810/336 - 810/336 simplified gives 135/56
- So, 27/21 + 54/48 = 135/56
In mixed form: 223/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21+54/48 27/42+54/48 27/21+54/96 81/21+54/48 27/63+54/48