Add 18/20 and 36/35
1st number: 18/20, 2nd number: 1 1/35
18/20 + 36/35 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
18/20 = 18 × 7/20 × 7 = 126/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
36/35 = 36 × 4/35 × 4 = 144/140 - Add the two like fractions:
126/140 + 144/140 = 126 + 144/140 = 270/140 - 270/140 simplified gives 27/14
- So, 18/20 + 36/35 = 27/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20+36/35 18/20+72/35 18/40+36/35 18/20+36/70 54/20+36/35 18/60+36/35 90/20+36/35