Add 1/20 and 36/45
1/20 + 36/45 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
1/20 = 1 × 9/20 × 9 = 9/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
36/45 = 36 × 4/45 × 4 = 144/180 - Add the two like fractions:
9/180 + 144/180 = 9 + 144/180 = 153/180 - 153/180 simplified gives 17/20
- So, 1/20 + 36/45 = 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+36/45 1/20+72/45 1/40+36/45 1/20+36/90 3/20+36/45 1/60+36/45 5/20+36/45 7/20+36/45