Add 10/90 and 2/40
10/90 + 2/40 is 29/180.
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,
10/90 = 10 × 4/90 × 4 = 40/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
2/40 = 2 × 9/40 × 9 = 18/360 - Add the two like fractions:
40/360 + 18/360 = 40 + 18/360 = 58/360 - 58/360 simplified gives 29/180
- So, 10/90 + 2/40 = 29/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90+2/40 10/90+4/40 10/90+2/80 30/90+2/40 10/90+6/40 50/90+2/40 10/90+10/40 70/90+2/40 10/90+14/40