Add 49/40 and 56/90
1st number: 1 9/40, 2nd number: 56/90
49/40 + 56/90 is 133/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
49/40 = 49 × 9/40 × 9 = 441/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
56/90 = 56 × 4/90 × 4 = 224/360 - Add the two like fractions:
441/360 + 224/360 = 441 + 224/360 = 665/360 - 665/360 simplified gives 133/72
- So, 49/40 + 56/90 = 133/72
In mixed form: 161/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40+56/90 49/80+56/90