Add 49/90 and 36/40
49/90 + 36/40 is 13/9.
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,
49/90 = 49 × 4/90 × 4 = 196/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
36/40 = 36 × 9/40 × 9 = 324/360 - Add the two like fractions:
196/360 + 324/360 = 196 + 324/360 = 520/360 - 520/360 simplified gives 13/9
- So, 49/90 + 36/40 = 13/9
In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/90+36/40 49/90+72/40 49/90+36/80