Add 24/20 and 54/45
1st number: 1 4/20, 2nd number: 1 9/45
24/20 + 54/45 is 12/5.
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,
54/45 = 54 × 4/45 × 4 = 216/180 - Add the two like fractions:
216/180 + 216/180 = 216 + 216/180 = 432/180 - 432/180 simplified gives 12/5
- So, 24/20 + 54/45 = 12/5
In mixed form: 22/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/20+54/45 24/40+54/45 24/20+54/90 72/20+54/45 24/60+54/45