Add 8/42 and 56/16
1st number: 8/42, 2nd number: 3 8/16
8/42 + 56/16 is 155/42.
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,
56/16 = 56 × 21/16 × 21 = 1176/336 - Add the two like fractions:
64/336 + 1176/336 = 64 + 1176/336 = 1240/336 - 1240/336 simplified gives 155/42
- So, 8/42 + 56/16 = 155/42
In mixed form: 329/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+56/16 8/84+56/16 8/42+56/32 24/42+56/16 8/42+56/48 40/42+56/16 8/42+56/80 56/42+56/16