Add 8/42 and 3/12
8/42 + 3/12 is 37/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
8/42 = 8 × 2/42 × 2 = 16/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
3/12 = 3 × 7/12 × 7 = 21/84 - Add the two like fractions:
16/84 + 21/84 = 16 + 21/84 = 37/84 - So, 8/42 + 3/12 = 37/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+3/12 8/42+6/12 8/84+3/12 8/42+3/24 24/42+3/12 8/42+9/12 8/42+3/36 40/42+3/12 8/42+15/12 8/42+3/60 56/42+3/12 8/42+21/12 8/42+3/84