Add 25/84 and 15/9
1st number: 25/84, 2nd number: 1 6/9
25/84 + 15/9 is 55/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
25/84 = 25 × 3/84 × 3 = 75/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
15/9 = 15 × 28/9 × 28 = 420/252 - Add the two like fractions:
75/252 + 420/252 = 75 + 420/252 = 495/252 - 495/252 simplified gives 55/28
- So, 25/84 + 15/9 = 55/28
In mixed form: 127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84+15/9 25/84+30/9 25/84+15/18 75/84+15/9 25/84+45/9 25/84+15/27 25/84+75/9 25/84+15/45 25/84+15/63