Add 16/8 and 9/42
1st number: 2 0/8, 2nd number: 9/42
16/8 + 9/42 is 31/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
16/8 = 16 × 21/8 × 21 = 336/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
9/42 = 9 × 4/42 × 4 = 36/168 - Add the two like fractions:
336/168 + 36/168 = 336 + 36/168 = 372/168 - 372/168 simplified gives 31/14
- So, 16/8 + 9/42 = 31/14
In mixed form: 23/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/8+9/42 16/8+18/42 16/8+9/84 48/8+9/42 16/8+27/42 16/24+9/42 80/8+9/42 16/8+45/42 16/40+9/42 16/8+63/42 16/56+9/42