Add 25/42 and 8/12
25/42 + 8/12 is 53/42.
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,
25/42 = 25 × 2/42 × 2 = 50/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Add the two like fractions:
50/84 + 56/84 = 50 + 56/84 = 106/84 - 106/84 simplified gives 53/42
- So, 25/42 + 8/12 = 53/42
In mixed form: 111/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+8/12 25/42+16/12 25/84+8/12 25/42+8/24 75/42+8/12 25/42+24/12 25/42+8/36 25/42+40/12 25/42+8/60 25/42+56/12 25/42+8/84