Add 28/5 and 72/16
1st number: 5 3/5, 2nd number: 4 8/16
28/5 + 72/16 is 101/10.
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,
28/5 = 28 × 16/5 × 16 = 448/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
72/16 = 72 × 5/16 × 5 = 360/80 - Add the two like fractions:
448/80 + 360/80 = 448 + 360/80 = 808/80 - 808/80 simplified gives 101/10
- So, 28/5 + 72/16 = 101/10
In mixed form: 101/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+72/16 28/10+72/16 28/5+72/32 84/5+72/16 28/15+72/16 28/5+72/48 28/25+72/16 28/5+72/80 28/35+72/16