Add 20/54 and 48/15
1st number: 20/54, 2nd number: 3 3/15
20/54 + 48/15 is 482/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 15 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
20/54 = 20 × 5/54 × 5 = 100/270 - Likewise, for the 2nd fraction, since 15 × 18 = 270,
48/15 = 48 × 18/15 × 18 = 864/270 - Add the two like fractions:
100/270 + 864/270 = 100 + 864/270 = 964/270 - 964/270 simplified gives 482/135
- So, 20/54 + 48/15 = 482/135
In mixed form: 377/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/54+48/15 20/54+96/15 20/54+48/30 60/54+48/15 20/54+48/45 20/54+48/75