Add 5/90 and 2/40
5/90 + 2/40 is 19/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
5/90 = 5 × 4/90 × 4 = 20/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
2/40 = 2 × 9/40 × 9 = 18/360 - Add the two like fractions:
20/360 + 18/360 = 20 + 18/360 = 38/360 - 38/360 simplified gives 19/180
- So, 5/90 + 2/40 = 19/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+2/40 5/90+4/40 5/90+2/80 15/90+2/40 5/90+6/40 25/90+2/40 5/90+10/40 35/90+2/40 5/90+14/40