Add 36/90 and 10/40
36/90 + 10/40 is 13/20.
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,
36/90 = 36 × 4/90 × 4 = 144/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
10/40 = 10 × 9/40 × 9 = 90/360 - Add the two like fractions:
144/360 + 90/360 = 144 + 90/360 = 234/360 - 234/360 simplified gives 13/20
- So, 36/90 + 10/40 = 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90+10/40 36/90+20/40 36/90+10/80 36/90+30/40 36/90+50/40 36/90+70/40