Add 75/40 and 7/18
1st number: 1 35/40, 2nd number: 7/18
75/40 + 7/18 is 163/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 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 18 × 20 = 360,
7/18 = 7 × 20/18 × 20 = 140/360 - Add the two like fractions:
675/360 + 140/360 = 675 + 140/360 = 815/360 - 815/360 simplified gives 163/72
- So, 75/40 + 7/18 = 163/72
In mixed form: 219/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/40+14/18 75/80+7/18 75/40+7/36 75/40+21/18 75/40+7/54 75/40+35/18 75/40+7/90 75/40+49/18