Add 18/24 and 75/45
1st number: 18/24, 2nd number: 1 30/45
18/24 + 75/45 is 29/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
18/24 = 18 × 15/24 × 15 = 270/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
75/45 = 75 × 8/45 × 8 = 600/360 - Add the two like fractions:
270/360 + 600/360 = 270 + 600/360 = 870/360 - 870/360 simplified gives 29/12
- So, 18/24 + 75/45 = 29/12
In mixed form: 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24+75/45 18/48+75/45 18/24+75/90 54/24+75/45 18/72+75/45 90/24+75/45