Add 72/2 and 10/80
1st number: 36 0/2, 2nd number: 10/80
72/2 + 10/80 is 289/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
72/2 = 72 × 40/2 × 40 = 2880/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
10/80 = 10 × 1/80 × 1 = 10/80 - Add the two like fractions:
2880/80 + 10/80 = 2880 + 10/80 = 2890/80 - 2890/80 simplified gives 289/8
- So, 72/2 + 10/80 = 289/8
In mixed form: 361/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/2+20/80 72/4+10/80 72/2+30/80 72/6+10/80 72/2+50/80 72/10+10/80 72/2+70/80 72/14+10/80