Add 4/18 and 36/20
1st number: 4/18, 2nd number: 1 16/20
4/18 + 36/20 is 91/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
4/18 = 4 × 10/18 × 10 = 40/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
36/20 = 36 × 9/20 × 9 = 324/180 - Add the two like fractions:
40/180 + 324/180 = 40 + 324/180 = 364/180 - 364/180 simplified gives 91/45
- So, 4/18 + 36/20 = 91/45
In mixed form: 21/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/18+36/20 4/18+72/20 4/36+36/20 4/18+36/40 12/18+36/20 4/54+36/20 4/18+36/60 20/18+36/20 4/90+36/20 28/18+36/20