Add 54/21 and 27/48
1st number: 2 12/21, 2nd number: 27/48
54/21 + 27/48 is 351/112.
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,
54/21 = 54 × 16/21 × 16 = 864/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
27/48 = 27 × 7/48 × 7 = 189/336 - Add the two like fractions:
864/336 + 189/336 = 864 + 189/336 = 1053/336 - 1053/336 simplified gives 351/112
- So, 54/21 + 27/48 = 351/112
In mixed form: 315/112
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 54/42+27/48 54/21+27/96 54/21+81/48 54/63+27/48