Add 12/42 and 5/12
12/42 + 5/12 is 59/84.
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,
12/42 = 12 × 2/42 × 2 = 24/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
5/12 = 5 × 7/12 × 7 = 35/84 - Add the two like fractions:
24/84 + 35/84 = 24 + 35/84 = 59/84 - So, 12/42 + 5/12 = 59/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/42+5/12 12/42+10/12 12/84+5/12 12/42+5/24 36/42+5/12 12/42+15/12 12/42+5/36 60/42+5/12 12/42+25/12 12/42+5/60 84/42+5/12 12/42+35/12 12/42+5/84