Add 25/12 and 7/42
1st number: 2 1/12, 2nd number: 7/42
25/12 + 7/42 is 9/4.
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,
25/12 = 25 × 7/12 × 7 = 175/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
7/42 = 7 × 2/42 × 2 = 14/84 - Add the two like fractions:
175/84 + 14/84 = 175 + 14/84 = 189/84 - 189/84 simplified gives 9/4
- So, 25/12 + 7/42 = 9/4
In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/12+7/42 25/12+14/42 25/24+7/42 25/12+7/84 75/12+7/42 25/12+21/42 25/36+7/42 25/12+35/42 25/60+7/42 25/12+49/42 25/84+7/42