Add 16/21 and 27/36
16/21 + 27/36 is 127/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
16/21 = 16 × 12/21 × 12 = 192/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
27/36 = 27 × 7/36 × 7 = 189/252 - Add the two like fractions:
192/252 + 189/252 = 192 + 189/252 = 381/252 - 381/252 simplified gives 127/84
- So, 16/21 + 27/36 = 127/84
In mixed form: 143/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+27/36 16/21+54/36 16/42+27/36 16/21+27/72 48/21+27/36 16/21+81/36 16/63+27/36 80/21+27/36