Add 18/7 and 36/45
1st number: 2 4/7, 2nd number: 36/45
18/7 + 36/45 is 118/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
18/7 = 18 × 45/7 × 45 = 810/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
36/45 = 36 × 7/45 × 7 = 252/315 - Add the two like fractions:
810/315 + 252/315 = 810 + 252/315 = 1062/315 - 1062/315 simplified gives 118/35
- So, 18/7 + 36/45 = 118/35
In mixed form: 313/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+36/45 18/7+72/45 18/14+36/45 18/7+36/90 54/7+36/45 18/21+36/45 90/7+36/45 18/35+36/45 18/49+36/45