Add 72/5 and 28/16
1st number: 14 2/5, 2nd number: 1 12/16
72/5 + 28/16 is 323/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
72/5 = 72 × 16/5 × 16 = 1152/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
28/16 = 28 × 5/16 × 5 = 140/80 - Add the two like fractions:
1152/80 + 140/80 = 1152 + 140/80 = 1292/80 - 1292/80 simplified gives 323/20
- So, 72/5 + 28/16 = 323/20
In mixed form: 163/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5+56/16 72/10+28/16 72/5+28/32 72/5+84/16 72/15+28/16 72/5+28/48 72/25+28/16 72/5+28/80 72/35+28/16