Add 75/40 and 40/90
1st number: 1 35/40, 2nd number: 40/90
75/40 + 40/90 is 167/72.
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,
75/40 = 75 × 9/40 × 9 = 675/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
40/90 = 40 × 4/90 × 4 = 160/360 - Add the two like fractions:
675/360 + 160/360 = 675 + 160/360 = 835/360 - 835/360 simplified gives 167/72
- So, 75/40 + 40/90 = 167/72
In mixed form: 223/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/40+80/90 75/80+40/90