Add 25/45 and 18/35
25/45 + 18/35 is 337/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
25/45 = 25 × 7/45 × 7 = 175/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
18/35 = 18 × 9/35 × 9 = 162/315 - Add the two like fractions:
175/315 + 162/315 = 175 + 162/315 = 337/315 - So, 25/45 + 18/35 = 337/315
In mixed form: 122/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/45+18/35 25/45+36/35 25/90+18/35 25/45+18/70 75/45+18/35 25/45+54/35 25/45+90/35