Add 81/28 and 45/5
1st number: 2 25/28, 2nd number: 9 0/5
81/28 + 45/5 is 333/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 5 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
81/28 = 81 × 5/28 × 5 = 405/140 - Likewise, for the 2nd fraction, since 5 × 28 = 140,
45/5 = 45 × 28/5 × 28 = 1260/140 - Add the two like fractions:
405/140 + 1260/140 = 405 + 1260/140 = 1665/140 - 1665/140 simplified gives 333/28
- So, 81/28 + 45/5 = 333/28
In mixed form: 1125/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/28+90/5 81/56+45/5 81/28+45/10 81/84+45/5 81/28+45/15 81/28+45/25 81/28+45/35