Add 15/54 and 25/20
1st number: 15/54, 2nd number: 1 5/20
15/54 + 25/20 is 55/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 54 × 10 = 540,
15/54 = 15 × 10/54 × 10 = 150/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
25/20 = 25 × 27/20 × 27 = 675/540 - Add the two like fractions:
150/540 + 675/540 = 150 + 675/540 = 825/540 - 825/540 simplified gives 55/36
- So, 15/54 + 25/20 = 55/36
In mixed form: 119/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/54+25/20 15/54+50/20 15/54+25/40 45/54+25/20 15/54+75/20 15/54+25/60 75/54+25/20