Add 16/42 and 15/8
1st number: 16/42, 2nd number: 1 7/8
16/42 + 15/8 is 379/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
16/42 = 16 × 4/42 × 4 = 64/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
15/8 = 15 × 21/8 × 21 = 315/168 - Add the two like fractions:
64/168 + 315/168 = 64 + 315/168 = 379/168 - So, 16/42 + 15/8 = 379/168
In mixed form: 243/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/42+15/8 16/42+30/8 16/84+15/8 16/42+15/16 48/42+15/8 16/42+45/8 16/42+15/24 80/42+15/8 16/42+75/8 16/42+15/40 16/42+15/56