Add 24/20 and 12/45
1st number: 1 4/20, 2nd number: 12/45
24/20 + 12/45 is 22/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
24/20 = 24 × 9/20 × 9 = 216/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
12/45 = 12 × 4/45 × 4 = 48/180 - Add the two like fractions:
216/180 + 48/180 = 216 + 48/180 = 264/180 - 264/180 simplified gives 22/15
- So, 24/20 + 12/45 = 22/15
In mixed form: 17/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/20+12/45 24/20+24/45 24/40+12/45 24/20+12/90 72/20+12/45 24/20+36/45 24/60+12/45 24/20+60/45 24/20+84/45