Add 1/20 and 36/90
1/20 + 36/90 is 9/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 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 90 × 2 = 180,
36/90 = 36 × 2/90 × 2 = 72/180 - Add the two like fractions:
9/180 + 72/180 = 9 + 72/180 = 81/180 - 81/180 simplified gives 9/20
- So, 1/20 + 36/90 = 9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/20+36/90 1/20+72/90 1/40+36/90 3/20+36/90 1/60+36/90 5/20+36/90 7/20+36/90