Add 18/36 and 54/40
1st number: 18/36, 2nd number: 1 14/40
18/36 + 54/40 is 37/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 36 × 10 = 360,
18/36 = 18 × 10/36 × 10 = 180/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
54/40 = 54 × 9/40 × 9 = 486/360 - Add the two like fractions:
180/360 + 486/360 = 180 + 486/360 = 666/360 - 666/360 simplified gives 37/20
- So, 18/36 + 54/40 = 37/20
In mixed form: 117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+54/40 18/36+54/80 54/36+54/40 90/36+54/40