Add 25/42 and 50/12
1st number: 25/42, 2nd number: 4 2/12
25/42 + 50/12 is 100/21.
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,
50/12 = 50 × 7/12 × 7 = 350/84 - Add the two like fractions:
50/84 + 350/84 = 50 + 350/84 = 400/84 - 400/84 simplified gives 100/21
- So, 25/42 + 50/12 = 100/21
In mixed form: 416/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+50/12 25/84+50/12 25/42+50/24 75/42+50/12 25/42+50/36 25/42+50/60 25/42+50/84