Add 18/45 and 3/35
18/45 + 3/35 is 17/35.
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,
18/45 = 18 × 7/45 × 7 = 126/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
3/35 = 3 × 9/35 × 9 = 27/315 - Add the two like fractions:
126/315 + 27/315 = 126 + 27/315 = 153/315 - 153/315 simplified gives 17/35
- So, 18/45 + 3/35 = 17/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+3/35 18/45+6/35 18/90+3/35 18/45+3/70 54/45+3/35 18/45+9/35 90/45+3/35 18/45+15/35 18/45+21/35