Add 63/42 and 27/16
1st number: 1 21/42, 2nd number: 1 11/16
63/42 + 27/16 is 51/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
63/42 = 63 × 8/42 × 8 = 504/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
27/16 = 27 × 21/16 × 21 = 567/336 - Add the two like fractions:
504/336 + 567/336 = 504 + 567/336 = 1071/336 - 1071/336 simplified gives 51/16
- So, 63/42 + 27/16 = 51/16
In mixed form: 33/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42+54/16 63/84+27/16 63/42+27/32 63/42+81/16 63/42+27/48 63/42+27/80