Add 18/27 and 45/35
1st number: 18/27, 2nd number: 1 10/35
18/27 + 45/35 is 41/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 27 × 35 = 945,
18/27 = 18 × 35/27 × 35 = 630/945 - Likewise, for the 2nd fraction, since 35 × 27 = 945,
45/35 = 45 × 27/35 × 27 = 1215/945 - Add the two like fractions:
630/945 + 1215/945 = 630 + 1215/945 = 1845/945 - 1845/945 simplified gives 41/21
- So, 18/27 + 45/35 = 41/21
In mixed form: 120/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/27+45/35 18/27+90/35 18/54+45/35 18/27+45/70 54/27+45/35 18/81+45/35 90/27+45/35