Add 1/21 and 27/48
1/21 + 27/48 is 205/336.
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,
1/21 = 1 × 16/21 × 16 = 16/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
27/48 = 27 × 7/48 × 7 = 189/336 - Add the two like fractions:
16/336 + 189/336 = 16 + 189/336 = 205/336 - So, 1/21 + 27/48 = 205/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21+27/48 1/21+54/48 1/42+27/48 1/21+27/96 3/21+27/48 1/21+81/48 1/63+27/48 5/21+27/48 7/21+27/48