Add 3/18 and 60/40
1st number: 3/18, 2nd number: 1 20/40
3/18 + 60/40 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
3/18 = 3 × 20/18 × 20 = 60/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
60/40 = 60 × 9/40 × 9 = 540/360 - Add the two like fractions:
60/360 + 540/360 = 60 + 540/360 = 600/360 - 600/360 simplified gives 5/3
- So, 3/18 + 60/40 = 5/3
In mixed form: 12/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18+60/40 3/36+60/40 3/18+60/80 9/18+60/40 3/54+60/40 15/18+60/40 3/90+60/40 21/18+60/40