Add 28/2 and 72/5
1st number: 14 0/2, 2nd number: 14 2/5
28/2 + 72/5 is 142/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
28/2 = 28 × 5/2 × 5 = 140/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
72/5 = 72 × 2/5 × 2 = 144/10 - Add the two like fractions:
140/10 + 144/10 = 140 + 144/10 = 284/10 - 284/10 simplified gives 142/5
- So, 28/2 + 72/5 = 142/5
In mixed form: 282/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/2+72/5 28/4+72/5 28/2+72/10 84/2+72/5 28/6+72/5 28/2+72/15 28/10+72/5 28/2+72/25 28/14+72/5 28/2+72/35