Add 60/40 and 45/18
1st number: 1 20/40, 2nd number: 2 9/18
60/40 + 45/18 is 4/1.
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,
60/40 = 60 × 9/40 × 9 = 540/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
45/18 = 45 × 20/18 × 20 = 900/360 - Add the two like fractions:
540/360 + 900/360 = 540 + 900/360 = 1440/360 - 1440/360 simplified gives 4/1
- So, 60/40 + 45/18 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+90/18 60/80+45/18 60/40+45/36 60/40+45/54 60/40+45/90