Add 25/42 and 7/84
25/42 + 7/84 is 19/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 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 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84 - Add the two like fractions:
50/84 + 7/84 = 50 + 7/84 = 57/84 - 57/84 simplified gives 19/28
- So, 25/42 + 7/84 = 19/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+7/84 25/42+14/84 25/84+7/84 75/42+7/84 25/42+21/84 25/42+35/84 25/42+49/84