Add 48/18 and 56/20
1st number: 2 12/18, 2nd number: 2 16/20
48/18 + 56/20 is 82/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
48/18 = 48 × 10/18 × 10 = 480/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
56/20 = 56 × 9/20 × 9 = 504/180 - Add the two like fractions:
480/180 + 504/180 = 480 + 504/180 = 984/180 - 984/180 simplified gives 82/15
- So, 48/18 + 56/20 = 82/15
In mixed form: 57/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/18+56/20 48/36+56/20 48/18+56/40 48/54+56/20 48/18+56/60 48/90+56/20