Add 18/35 and 40/63
18/35 + 40/63 is 362/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
18/35 = 18 × 9/35 × 9 = 162/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
40/63 = 40 × 5/63 × 5 = 200/315 - Add the two like fractions:
162/315 + 200/315 = 162 + 200/315 = 362/315 - So, 18/35 + 40/63 = 362/315
In mixed form: 147/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/35+40/63 18/35+80/63 18/70+40/63 54/35+40/63 90/35+40/63