Add 16/12 and 8/42
1st number: 1 4/12, 2nd number: 8/42
16/12 + 8/42 is 32/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
16/12 = 16 × 7/12 × 7 = 112/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
8/42 = 8 × 2/42 × 2 = 16/84 - Add the two like fractions:
112/84 + 16/84 = 112 + 16/84 = 128/84 - 128/84 simplified gives 32/21
- So, 16/12 + 8/42 = 32/21
In mixed form: 111/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/12+8/42 16/12+16/42 16/24+8/42 16/12+8/84 48/12+8/42 16/12+24/42 16/36+8/42 80/12+8/42 16/12+40/42 16/60+8/42 16/12+56/42 16/84+8/42