Add 72/32 and 84/80
1st number: 2 8/32, 2nd number: 1 4/80
72/32 + 84/80 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 80 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
72/32 = 72 × 5/32 × 5 = 360/160 - Likewise, for the 2nd fraction, since 80 × 2 = 160,
84/80 = 84 × 2/80 × 2 = 168/160 - Add the two like fractions:
360/160 + 168/160 = 360 + 168/160 = 528/160 - 528/160 simplified gives 33/10
- So, 72/32 + 84/80 = 33/10
In mixed form: 33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/64+84/80 72/96+84/80