Add 8/42 and 15/16
8/42 + 15/16 is 379/336.
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,
8/42 = 8 × 8/42 × 8 = 64/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
15/16 = 15 × 21/16 × 21 = 315/336 - Add the two like fractions:
64/336 + 315/336 = 64 + 315/336 = 379/336 - So, 8/42 + 15/16 = 379/336
In mixed form: 143/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+15/16 8/42+30/16 8/84+15/16 8/42+15/32 24/42+15/16 8/42+45/16 8/42+15/48 40/42+15/16 8/42+75/16 8/42+15/80 56/42+15/16