Add 60/40 and 28/16
1st number: 1 20/40, 2nd number: 1 12/16
60/40 + 28/16 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
60/40 = 60 × 2/40 × 2 = 120/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
28/16 = 28 × 5/16 × 5 = 140/80 - Add the two like fractions:
120/80 + 140/80 = 120 + 140/80 = 260/80 - 260/80 simplified gives 13/4
- So, 60/40 + 28/16 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+56/16 60/80+28/16 60/40+28/32 60/40+84/16 60/40+28/48 60/40+28/80