Add 25/20 and 54/45
1st number: 1 5/20, 2nd number: 1 9/45
25/20 + 54/45 is 49/20.
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,
25/20 = 25 × 9/20 × 9 = 225/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
54/45 = 54 × 4/45 × 4 = 216/180 - Add the two like fractions:
225/180 + 216/180 = 225 + 216/180 = 441/180 - 441/180 simplified gives 49/20
- So, 25/20 + 54/45 = 49/20
In mixed form: 29/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20+54/45 25/40+54/45 25/20+54/90 75/20+54/45 25/60+54/45