Add 10/45 and 18/80
10/45 + 18/80 is 161/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
10/45 = 10 × 16/45 × 16 = 160/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
18/80 = 18 × 9/80 × 9 = 162/720 - Add the two like fractions:
160/720 + 162/720 = 160 + 162/720 = 322/720 - 322/720 simplified gives 161/360
- So, 10/45 + 18/80 = 161/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/45+18/80 10/45+36/80 10/90+18/80 30/45+18/80 10/45+54/80 50/45+18/80 10/45+90/80 70/45+18/80