Add 25/28 and 70/9
1st number: 25/28, 2nd number: 7 7/9
25/28 + 70/9 is 2185/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 9 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
25/28 = 25 × 9/28 × 9 = 225/252 - Likewise, for the 2nd fraction, since 9 × 28 = 252,
70/9 = 70 × 28/9 × 28 = 1960/252 - Add the two like fractions:
225/252 + 1960/252 = 225 + 1960/252 = 2185/252 - So, 25/28 + 70/9 = 2185/252
In mixed form: 8169/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/28+70/9 25/56+70/9 25/28+70/18 75/28+70/9 25/84+70/9 25/28+70/27 25/28+70/45 25/28+70/63