Add 72/2 and 28/7
1st number: 36 0/2, 2nd number: 4 0/7
72/2 + 28/7 is 40/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
72/2 = 72 × 7/2 × 7 = 504/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
28/7 = 28 × 2/7 × 2 = 56/14 - Add the two like fractions:
504/14 + 56/14 = 504 + 56/14 = 560/14 - 560/14 simplified gives 40/1
- So, 72/2 + 28/7 = 40/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2+56/7 72/4+28/7 72/2+28/14 72/2+84/7 72/6+28/7 72/2+28/21 72/10+28/7 72/2+28/35 72/14+28/7 72/2+28/49