Add 18/45 and 24/40
18/45 + 24/40 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
18/45 = 18 × 8/45 × 8 = 144/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
24/40 = 24 × 9/40 × 9 = 216/360 - Add the two like fractions:
144/360 + 216/360 = 144 + 216/360 = 360/360 - 360/360 simplified gives 1/1
- So, 18/45 + 24/40 = 1/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/45+24/40 18/45+48/40 18/90+24/40 18/45+24/80 54/45+24/40 18/45+72/40 90/45+24/40