Add 40/36 and 90/20
1st number: 1 4/36, 2nd number: 4 10/20
40/36 + 90/20 is 101/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
40/36 = 40 × 5/36 × 5 = 200/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Add the two like fractions:
200/180 + 810/180 = 200 + 810/180 = 1010/180 - 1010/180 simplified gives 101/18
- So, 40/36 + 90/20 = 101/18
In mixed form: 511/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/36+90/20 40/72+90/20 40/36+90/40 40/36+90/60