Add 80/24 and 12/45
1st number: 3 8/24, 2nd number: 12/45
80/24 + 12/45 is 18/5.
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,
80/24 = 80 × 15/24 × 15 = 1200/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
12/45 = 12 × 8/45 × 8 = 96/360 - Add the two like fractions:
1200/360 + 96/360 = 1200 + 96/360 = 1296/360 - 1296/360 simplified gives 18/5
- So, 80/24 + 12/45 = 18/5
In mixed form: 33/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/24+24/45 80/48+12/45 80/24+12/90 80/24+36/45 80/72+12/45 80/24+60/45 80/24+84/45